#666F1E#666F1E

#666F1E is a mid, moderate yellow. Relative luminance 0.143; OKLCH L 51.8% C 0.103 H 115.6°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#666F1E
RGB	rgb(102, 111, 30)
HSL	hsl(67, 57%, 28%)
HSV	hsv(67, 73%, 44%)
CMYK	cmyk(8.1%, 0%, 73%, 56.5%)
CIE-LAB	lab(44.64, -14.82, 41.67)
CIE-LCH	lch(44.64, 44.22, 109.58°)
OKLab	oklab(51.77% -0.0446 0.0931)
OKLCH	oklch(51.77% 0.103 115.6)
XYZ	xyz(11.3986, 14.2876, 3.3854)
Luminance	0.1429 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666F1E #271E6F

analogous

#6F501E #666F1E #3D6F1E

triadic

#666F1E #1E666F #6F1E66

tetradic

#666F1E #1E6F50 #271E6F #6F1E3D

square

#666F1E #1E6F50 #271E6F #6F1E3D

split-complementary

#666F1E #1E3D6F #501E6F

monochromatic

#161807 #3A3F11 #666F1E #929F2B #BBCB3D

Accessibility & contrast

On white

5.44

#666F1E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#666F1E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666F1E

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666F1E	#FFFFFF	#000000	##FFFFFF
##666F1E	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#776911

Deuteranopia (green-blind)

#766A24

Tritanopia (blue-blind)

#6D685F

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #666f1e;
/* rgb */ color: rgb(102, 111, 30);
/* oklch */ color: oklch(51.8% 0.103 115.6);

Tailwind

colors: {
  custom: {
    50: '#949860',
    500: '#666f1e',
    950: '#000000',
  },
}

SCSS

$custom: #666f1e;
$custom-light: #949860;
$custom-dark: #000000;

JSON

{
  "hex": "#666f1e",
  "rgb": {
    "r": 102,
    "g": 111,
    "b": 30
  },
  "hsl": {
    "h": 66.667,
    "s": 57.447,
    "l": 27.647
  },
  "oklch": {
    "l": 0.51769,
    "c": 0.10324,
    "h": 115.6
  },
  "luminance": 0.14287
}

Semantic roles & 50–950 ramp

primary

#666F1E

secondary

#5046A3

accent

#47E158

background

#F9F9F5

surface

#F2F2EA

border

#CCCCC6

text

#0D0D05

muted

#7E7E79

Preview Lab

Preview with #666F1E

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →