#666E2F#666E2F

#666E2F is a mid, moderate yellow. Relative luminance 0.142; OKLCH L 51.7% C 0.087 H 115.5°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#666E2F
RGB	rgb(102, 110, 47)
HSL	hsl(68, 40%, 31%)
HSV	hsv(68, 57%, 43%)
CMYK	cmyk(7.3%, 0%, 57.3%, 56.9%)
CIE-LAB	lab(44.49, -12.95, 33.56)
CIE-LCH	lch(44.49, 35.98, 111.10°)
OKLab	oklab(51.7% -0.0375 0.0785)
OKLCH	oklch(51.7% 0.087 115.5)
XYZ	xyz(11.5687, 14.1820, 4.8167)
Luminance	0.1418 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666E2F #372F6E

analogous

#6E562F #666E2F #466E2F

triadic

#666E2F #2F666E #6E2F66

tetradic

#666E2F #2F6E56 #372F6E #6E2F46

square

#666E2F #2F6E56 #372F6E #6E2F46

split-complementary

#666E2F #2F466E #562F6E

monochromatic

#16180A #3E431D #666E2F #8E9941 #AEBA5D

Accessibility & contrast

On white

5.47

#666E2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#666E2F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666E2F

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666E2F	#FFFFFF	#000000	##FFFFFF
##666E2F	1.00	5.47	3.84	5.47
#FFFFFF	5.47	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#756929

Deuteranopia (green-blind)

#756A33

Tritanopia (blue-blind)

#6C6860

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #666e2f;
/* rgb */ color: rgb(102, 110, 47);
/* oklch */ color: oklch(51.7% 0.087 115.5);

Tailwind

colors: {
  custom: {
    50: '#93976a',
    500: '#666e2f',
    950: '#000000',
  },
}

SCSS

$custom: #666e2f;
$custom-light: #93976a;
$custom-dark: #000000;

JSON

{
  "hex": "#666e2f",
  "rgb": {
    "r": 102,
    "g": 110,
    "b": 47
  },
  "hsl": {
    "h": 67.619,
    "s": 40.127,
    "l": 30.784
  },
  "oklch": {
    "l": 0.517,
    "c": 0.08697,
    "h": 115.5
  },
  "luminance": 0.14182
}

Semantic roles & 50–950 ramp

primary

#666E2F

secondary

#62599F

accent

#58D067

background

#F9F9F6

surface

#F1F2EB

border

#CBCCC6

text

#0D0D06

muted

#7E7E7A

Preview Lab

Preview with #666E2F

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

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