#666B1E#666B1E

#666B1E is a mid, moderate yellow. Relative luminance 0.134; OKLCH L 50.8% C 0.098 H 113.0°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#666B1E
RGB	rgb(102, 107, 30)
HSL	hsl(64, 56%, 27%)
HSV	hsv(64, 72%, 42%)
CMYK	cmyk(4.7%, 0%, 72%, 58%)
CIE-LAB	lab(43.41, -12.62, 40.44)
CIE-LCH	lch(43.41, 42.36, 107.34°)
OKLab	oklab(50.78% -0.0385 0.0905)
OKLCH	oklch(50.78% 0.098 113)
XYZ	xyz(10.9718, 13.4341, 3.2431)
Luminance	0.1343 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666B1E #231E6B

analogous

#6B4A1E #666B1E #406B1E

triadic

#666B1E #1E666B #6B1E66

tetradic

#666B1E #1E6B4A #231E6B #6B1E40

square

#666B1E #1E6B4A #231E6B #6B1E40

split-complementary

#666B1E #1E406B #4A1E6B

monochromatic

#171807 #383B11 #666B1E #949B2B #BFC83B

Accessibility & contrast

On white

5.70

#666B1E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#666B1E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666B1E

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666B1E	#FFFFFF	#000000	##FFFFFF
##666B1E	1.00	5.70	3.69	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#736612

Deuteranopia (green-blind)

#736724

Tritanopia (blue-blind)

#6D645C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #666b1e;
/* rgb */ color: rgb(102, 107, 30);
/* oklch */ color: oklch(50.8% 0.098 113.0);

Tailwind

colors: {
  custom: {
    50: '#94955f',
    500: '#666b1e',
    950: '#000000',
  },
}

SCSS

$custom: #666b1e;
$custom-light: #94955f;
$custom-dark: #000000;

JSON

{
  "hex": "#666b1e",
  "rgb": {
    "r": 102,
    "g": 107,
    "b": 30
  },
  "hsl": {
    "h": 63.896,
    "s": 56.204,
    "l": 26.863
  },
  "oklch": {
    "l": 0.50782,
    "c": 0.09835,
    "h": 113
  },
  "luminance": 0.13434
}

Semantic roles & 50–950 ramp

primary

#666B1E

secondary

#4B459F

accent

#48DF52

background

#F9F9F5

surface

#F2F1E9

border

#CCCBC5

text

#0D0D05

muted

#7E7E79

Preview Lab

Preview with #666B1E

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

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