Crescendo Study — Glowing PulseA study in color.
Start with the whole. Fall for the details.
Red
Lightness
One color.
More possibilities.
RGB 180, 85, 76 · HSL 5.2°, 40.9%, 50.2%. 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 #B4554C.
Every shade.
A new perspective.
#B4554C4.83:1 · AA03 Profile & contrast
- CIELAB · D65
- 47.9, 37.8, 23.6
- Relative luminance
- 0.1672
- HSL saturation
- 40.9%
- HSL lightness
- 50.2%
Aa On white · 4.83:1 · AA
Aa On black · 4.34:1 · Below 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: #DDFF9B at 4.34:1.
Orange
Lightness
One color.
More possibilities.
RGB 242, 132, 33 · HSL 28.4°, 88.9%, 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 #F28421.
Every shade.
A new perspective.
#F284218.10:1 · AAA03 Profile & contrast
- CIELAB · D65
- 66.1, 36.1, 65.9
- Relative luminance
- 0.3549
- HSL saturation
- 88.9%
- HSL lightness
- 53.9%
Aa On white · 2.59:1 · Below AA
Aa On black · 8.10:1 · 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: #DDFF9B at 2.33:1.
Yellow
Lightness
One color.
More possibilities.
RGB 245, 207, 6 · HSL 50.5°, 95.2%, 49.2%. 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 #F5CF06.
Every shade.
A new perspective.
#F5CF0613.81:1 · AAA03 Profile & contrast
- CIELAB · D65
- 84, -2.1, 84.1
- Relative luminance
- 0.6405
- HSL saturation
- 95.2%
- HSL lightness
- 49.2%
Aa On white · 1.52:1 · Below AA
Aa On black · 13.81:1 · 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: #B4554C at 3.18:1.
Light Lime
Lightness
One color.
More possibilities.
RGB 221, 255, 155 · HSL 80.4°, 100%, 80.4%. 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 #DDFF9B.
Every shade.
A new perspective.
#DDFF9B18.85:1 · AAA03 Profile & contrast
- CIELAB · D65
- 95.7, -26.7, 44.2
- Relative luminance
- 0.8926
- HSL saturation
- 100%
- HSL lightness
- 80.4%
Aa On white · 1.11:1 · Below AA
Aa On black · 18.85:1 · 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: #B4554C at 4.34:1.
Light Green
Lightness
One color.
More possibilities.
RGB 131, 251, 171 · HSL 140°, 93.8%, 74.9%. 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 #83FBAB.
Every shade.
A new perspective.
#83FBAB16.35:1 · AAA03 Profile & contrast
- CIELAB · D65
- 90.2, -51, 28.2
- Relative luminance
- 0.7676
- HSL saturation
- 93.8%
- HSL lightness
- 74.9%
Aa On white · 1.28:1 · Below AA
Aa On black · 16.35:1 · 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: #B4554C at 3.76:1.
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 ↗