Fibonacci Study — Fibonacci ToneA study in color.
Start with the whole. Fall for the details.
Terracotta
Lightness
One color.
More possibilities.
RGB 197, 113, 78 · HSL 17.6°, 50.6%, 53.9%. Explore lighter and darker expressions without changing the original palette.
01 Shades & tints
QRCO’s HSL lightness steps, from 10% to 90%. Tap a swatch to preview it.
02 Color variants
The editor’s existing lightness offsets around #C5714E.
Every shade.
A new perspective.
#C5714E5.85:1 · AA03 Profile & contrast
- CIELAB · D65
- 56.3, 29.9, 33.6
- Relative luminance
- 0.2423
- HSL saturation
- 50.6%
- HSL lightness
- 53.9%
Aa On white · 3.59:1 · Below AA
Aa On black · 5.85:1 · AA
Normal text: AA requires 4.5:1, AAA 7:1. Large text: AA requires 3:1, AAA 4.5:1. Ratings apply to the measured pair.
Strongest partner in this palette: #F0BA88 at 2.07:1.
Terracotta
Lightness
One color.
More possibilities.
RGB 226, 131, 93 · HSL 17.1°, 69.6%, 62.5%. Explore lighter and darker expressions without changing the original palette.
01 Shades & tints
QRCO’s HSL lightness steps, from 10% to 90%. Tap a swatch to preview it.
02 Color variants
The editor’s existing lightness offsets around #E2835D.
Every shade.
A new perspective.
#E2835D7.64:1 · AAA03 Profile & contrast
- CIELAB · D65
- 64.3, 33, 36.2
- Relative luminance
- 0.3319
- HSL saturation
- 69.6%
- HSL lightness
- 62.5%
Aa On white · 2.75:1 · Below AA
Aa On black · 7.64:1 · AAA
Normal text: AA requires 4.5:1, AAA 7:1. Large text: AA requires 3:1, AAA 4.5:1. Ratings apply to the measured pair.
Strongest partner in this palette: #F0BA88 at 1.58:1.
Terracotta
Lightness
One color.
More possibilities.
RGB 189, 106, 47 · HSL 24.9°, 60.2%, 46.3%. Explore lighter and darker expressions without changing the original palette.
01 Shades & tints
QRCO’s HSL lightness steps, from 10% to 90%. Tap a swatch to preview it.
02 Color variants
The editor’s existing lightness offsets around #BD6A2F.
Every shade.
A new perspective.
#BD6A2F5.27:1 · AA03 Profile & contrast
- CIELAB · D65
- 53.3, 28.5, 46
- Relative luminance
- 0.2133
- HSL saturation
- 60.2%
- HSL lightness
- 46.3%
Aa On white · 3.99:1 · Below AA
Aa On black · 5.27:1 · AA
Normal text: AA requires 4.5:1, AAA 7:1. Large text: AA requires 3:1, AAA 4.5:1. Ratings apply to the measured pair.
Strongest partner in this palette: #F0BA88 at 2.29:1.
Light Orange
Lightness
One color.
More possibilities.
RGB 240, 186, 136 · HSL 28.8°, 77.6%, 73.7%. Explore lighter and darker expressions without changing the original palette.
01 Shades & tints
QRCO’s HSL lightness steps, from 10% to 90%. Tap a swatch to preview it.
02 Color variants
The editor’s existing lightness offsets around #F0BA88.
Every shade.
A new perspective.
#F0BA8812.08:1 · AAA03 Profile & contrast
- CIELAB · D65
- 79.3, 13.2, 32.8
- Relative luminance
- 0.5542
- HSL saturation
- 77.6%
- HSL lightness
- 73.7%
Aa On white · 1.74:1 · Below AA
Aa On black · 12.08:1 · AAA
Normal text: AA requires 4.5:1, AAA 7:1. Large text: AA requires 3:1, AAA 4.5:1. Ratings apply to the measured pair.
Strongest partner in this palette: #6C8332 at 2.45:1.
Warm Brown
Lightness
One color.
More possibilities.
RGB 158, 131, 59 · HSL 43.6°, 45.6%, 42.5%. Explore lighter and darker expressions without changing the original palette.
01 Shades & tints
QRCO’s HSL lightness steps, from 10% to 90%. Tap a swatch to preview it.
02 Color variants
The editor’s existing lightness offsets around #9E833B.
Every shade.
A new perspective.
#9E833B5.76:1 · AA03 Profile & contrast
- CIELAB · D65
- 55.9, 1.7, 41.9
- Relative luminance
- 0.2382
- HSL saturation
- 45.6%
- HSL lightness
- 42.5%
Aa On white · 3.64:1 · Below AA
Aa On black · 5.76:1 · AA
Normal text: AA requires 4.5:1, AAA 7:1. Large text: AA requires 3:1, AAA 4.5:1. Ratings apply to the measured pair.
Strongest partner in this palette: #F0BA88 at 2.10:1.
Olive
Lightness
One color.
More possibilities.
RGB 108, 131, 50 · HSL 77°, 44.8%, 35.5%. Explore lighter and darker expressions without changing the original palette.
01 Shades & tints
QRCO’s HSL lightness steps, from 10% to 90%. Tap a swatch to preview it.
02 Color variants
The editor’s existing lightness offsets around #6C8332.
Every shade.
A new perspective.
#6C83324.93:1 · AA03 Profile & contrast
- CIELAB · D65
- 51.4, -21.2, 40.1
- Relative luminance
- 0.1965
- HSL saturation
- 44.8%
- HSL lightness
- 35.5%
Aa On white · 4.26:1 · Below AA
Aa On black · 4.93:1 · AA
Normal text: AA requires 4.5:1, AAA 7:1. Large text: AA requires 3:1, AAA 4.5:1. Ratings apply to the measured pair.
Strongest partner in this palette: #F0BA88 at 2.45:1.
Give these colors
somewhere to live.
Try the complete palette in QRCO’s brand, type and interface previews. Keep the colors you love and explore the rest.
Use this palette ↗