#666451#666451
#666451 is a mid, muted yellow. Relative luminance 0.125; OKLCH L 49.9% C 0.029 H 102.4°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).
Color values
| HEX | #666451 |
|---|---|
| RGB | rgb(102, 100, 81) |
| HSL | hsl(54, 11%, 36%) |
| HSV | hsv(54, 21%, 40%) |
| CMYK | cmyk(0%, 2%, 20.6%, 60%) |
| CIE-LAB | lab(42.05, -2.77, 11.09) |
| CIE-LCH | lch(42.05, 11.43, 104.01°) |
| OKLab | oklab(49.95% -0.0062 0.0284) |
| OKLCH | oklch(49.95% 0.029 102.4) |
| XYZ | xyz(11.5218, 12.5334, 9.5952) |
| Luminance | 0.1253 (WCAG relative) |
| Temperature | neutral |
| Family | yellow |
Closest named colors
Greyish Brown
#7A6A4F
ΔE00 7.97
Grey Brown
#7F7053
ΔE00 8.74
Dimgray
#696969
ΔE00 9.60
Brownish Grey
#86775F
ΔE00 10.69
Dark Taupe
#7F684E
ΔE00 10.98
Dull Brown
#876E4B
ΔE00 12.36
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#666451 #515366
analogous
#665951 #666451 #5D6651
triadic
#666451 #516664 #645166
tetradic
#666451 #516659 #515366 #66515D
square
#666451 #516659 #515366 #66515D
split-complementary
#666451 #515D66 #595166
monochromatic
#22211B #444336 #666451 #88856C #A4A28D
Accessibility & contrast
On white
5.99
#666451 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.51
#666451 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #666451
5.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##666451 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##666451 | 1.00 | 5.99 | 3.51 | 5.99 |
| #FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.51 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#686350
Deuteranopia (green-blind)
#686452
Tritanopia (blue-blind)
#69615F
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #666451; /* rgb */ color: rgb(102, 100, 81); /* oklch */ color: oklch(49.9% 0.029 102.4);
Tailwind
colors: {
custom: {
50: '#919082',
500: '#666451',
950: '#000000',
},
}SCSS
$custom: #666451; $custom-light: #919082; $custom-dark: #000000;
JSON
{
"hex": "#666451",
"rgb": {
"r": 102,
"g": 100,
"b": 81
},
"hsl": {
"h": 54.286,
"s": 11.475,
"l": 35.882
},
"oklch": {
"l": 0.49947,
"c": 0.02909,
"h": 102.4
},
"luminance": 0.12533
}Semantic roles & 50–950 ramp
primary
#666451
secondary
#808293
accent
#7AB473
background
#F8F8F7
surface
#F0F0EE
border
#CBCBC9
text
#0D0C0A
muted
#7D7D7C