#A66638#A66638
#A66638 is a mid, moderate orange. Relative luminance 0.179; OKLCH L 57.1% C 0.103 H 54.7°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).
Color values
| HEX | #A66638 |
|---|---|
| RGB | rgb(166, 102, 56) |
| HSL | hsl(25, 50%, 44%) |
| HSV | hsv(25, 66%, 65%) |
| CMYK | cmyk(0%, 38.6%, 66.3%, 34.9%) |
| CIE-LAB | lab(49.37, 21.42, 36.27) |
| CIE-LCH | lch(49.37, 42.12, 59.43°) |
| OKLab | oklab(57.15% 0.0594 0.0838) |
| OKLCH | oklch(57.15% 0.103 54.7) |
| XYZ | xyz(21.1927, 17.8973, 6.0790) |
| Luminance | 0.1789 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Earth
#A2653E
ΔE00 1.95
Sepia
#985E2B
ΔE00 4.43
Clay Brown
#B2713D
ΔE00 4.47
Copper (survey)
#B66325
ΔE00 4.49
Sienna (survey)
#A9561E
ΔE00 5.52
Raw Umber
#A75E09
ΔE00 6.55
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#A66638 #3878A6
analogous
#A63841 #A66638 #A69D38
triadic
#A66638 #38A666 #6638A6
tetradic
#A66638 #41A638 #3878A6 #9D38A6
square
#A66638 #41A638 #3878A6 #9D38A6
split-complementary
#A66638 #38A69D #3841A6
monochromatic
#4A2E19 #784A29 #A66638 #C68455 #D5A583
Accessibility & contrast
On white
4.59
#A66638 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.58
#A66638 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#FFFFFF on #A66638
4.59:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##A66638 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##A66638 | 1.00 | 4.59 | 4.58 | 4.59 |
| #FFFFFF | 4.59 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.58 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.59 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#796D34
Deuteranopia (green-blind)
#887B38
Tritanopia (blue-blind)
#B5595B
Achromatopsia (no color)
#757575
Design tokens & code
CSS
--color: #a66638; /* rgb */ color: rgb(166, 102, 56); /* oklch */ color: oklch(57.1% 0.103 54.7);
Tailwind
colors: {
custom: {
50: '#c59270',
500: '#a66638',
950: '#000000',
},
}SCSS
$custom: #a66638; $custom-light: #c59270; $custom-dark: #000000;
JSON
{
"hex": "#a66638",
"rgb": {
"r": 166,
"g": 102,
"b": 56
},
"hsl": {
"h": 25.091,
"s": 49.55,
"l": 43.529
},
"oklch": {
"l": 0.57149,
"c": 0.10274,
"h": 54.7
},
"luminance": 0.17895
}Semantic roles & 50–950 ramp
primary
#A66638
secondary
#7BA2BF
accent
#9FD94F
background
#FCF9F6
surface
#F9F1EC
border
#D2CBC7
text
#130D07
muted
#827E7A