#66611F#66611F
#66611F is a mid, moderate yellow. Relative luminance 0.115; OKLCH L 48.4% C 0.086 H 105.0°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).
Color values
| HEX | #66611F |
|---|---|
| RGB | rgb(102, 97, 31) |
| HSL | hsl(56, 53%, 26%) |
| HSV | hsv(56, 70%, 40%) |
| CMYK | cmyk(0%, 4.9%, 69.6%, 60%) |
| CIE-LAB | lab(40.37, -6.90, 36.89) |
| CIE-LCH | lch(40.37, 37.53, 100.60°) |
| OKLab | oklab(48.36% -0.0223 0.0832) |
| OKLCH | oklch(48.36% 0.086 105) |
| XYZ | xyz(10.0019, 11.4735, 2.9838) |
| Luminance | 0.1147 (WCAG relative) |
| Temperature | warm |
| Family | yellow |
Closest named colors
Greenish Brown
#696112
ΔE00 2.25
Greeny Brown
#696006
ΔE00 3.35
Mud Green
#606602
ΔE00 4.93
Brown Green
#706C11
ΔE00 5.10
Browny Green
#6F6C0A
ΔE00 5.42
Olive Brown
#645403
ΔE00 6.03
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#66611F #1F2466
analogous
#663D1F #66611F #47661F
triadic
#66611F #1F6661 #611F66
tetradic
#66611F #1F663D #1F2466 #661F47
square
#66611F #1F663D #1F2466 #661F47
split-complementary
#66611F #1F4766 #3D1F66
monochromatic
#171607 #373411 #66611F #958E2D #C4BA3C
Accessibility & contrast
On white
6.37
#66611F on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.29
#66611F on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #66611F
6.37:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##66611F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##66611F | 1.00 | 6.37 | 3.29 | 6.37 |
| #FFFFFF | 6.37 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.29 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.37 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6A5D16
Deuteranopia (green-blind)
#6C6123
Tritanopia (blue-blind)
#6E5A53
Achromatopsia (no color)
#5F5F5F
Design tokens & code
CSS
--color: #66611f; /* rgb */ color: rgb(102, 97, 31); /* oklch */ color: oklch(48.4% 0.086 105.0);
Tailwind
colors: {
custom: {
50: '#948d5f',
500: '#66611f',
950: '#000000',
},
}SCSS
$custom: #66611f; $custom-light: #948d5f; $custom-dark: #000000;
JSON
{
"hex": "#66611f",
"rgb": {
"r": 102,
"g": 97,
"b": 31
},
"hsl": {
"h": 55.775,
"s": 53.383,
"l": 26.078
},
"oklch": {
"l": 0.48355,
"c": 0.08614,
"h": 105
},
"luminance": 0.11473
}Semantic roles & 50–950 ramp
primary
#66611F
secondary
#464C9A
accent
#55DD4B
background
#F9F8F5
surface
#F2F0E9
border
#CCCBC5
text
#0D0C05
muted
#7E7D79