#634F13#634F13

#634F13 is a dark, moderate yellow. Relative luminance 0.083; OKLCH L 43.7% C 0.080 H 89.5°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#634F13
RGB	rgb(99, 79, 19)
HSL	hsl(45, 68%, 23%)
HSV	hsv(45, 81%, 39%)
CMYK	cmyk(0%, 20.2%, 80.8%, 61.2%)
CIE-LAB	lab(34.58, 1.63, 36.34)
CIE-LCH	lch(34.58, 36.38, 87.43°)
OKLab	oklab(43.67% 0.0007 0.0797)
OKLCH	oklch(43.67% 0.08 89.5)
XYZ	xyz(8.0596, 8.2922, 1.7920)
Luminance	0.0829 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#634F13 #132763

analogous

#632713 #634F13 #4F6313

triadic

#634F13 #13634F #4F1363

tetradic

#634F13 #136327 #132763 #63134F

square

#634F13 #136327 #132763 #63134F

split-complementary

#634F13 #134F63 #271363

monochromatic

#1A1405 #302609 #634F13 #96781D #CAA127

Accessibility & contrast

On white

7.90

#634F13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#634F13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #634F13

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##634F13	#FFFFFF	#000000	##FFFFFF
##634F13	1.00	7.90	2.66	7.90
#FFFFFF	7.90	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594E09

Deuteranopia (green-blind)

#5E5416

Tritanopia (blue-blind)

#6C4843

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #634f13;
/* rgb */ color: rgb(99, 79, 19);
/* oklch */ color: oklch(43.7% 0.080 89.5);

Tailwind

colors: {
  custom: {
    50: '#938056',
    500: '#634f13',
    950: '#000000',
  },
}

SCSS

$custom: #634f13;
$custom-light: #938056;
$custom-dark: #000000;

JSON

{
  "hex": "#634f13",
  "rgb": {
    "r": 99,
    "g": 79,
    "b": 19
  },
  "hsl": {
    "h": 45,
    "s": 67.797,
    "l": 23.137
  },
  "oklch": {
    "l": 0.4367,
    "c": 0.07973,
    "h": 89.5
  },
  "luminance": 0.08292
}

Semantic roles & 50–950 ramp

primary

#634F13

secondary

#37509B

accent

#69EB3D

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0D0A03

muted

#7E7C78

Preview Lab

Preview with #634F13

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

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