#634F10#634F10

#634F10 is a dark, moderate yellow. Relative luminance 0.083; OKLCH L 43.6% C 0.082 H 90.0°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#634F10
RGB	rgb(99, 79, 16)
HSL	hsl(46, 72%, 23%)
HSV	hsv(46, 84%, 39%)
CMYK	cmyk(0%, 20.2%, 83.8%, 61.2%)
CIE-LAB	lab(34.56, 1.50, 37.53)
CIE-LCH	lch(34.56, 37.56, 87.72°)
OKLab	oklab(43.65% 0 0.0816)
OKLCH	oklch(43.65% 0.082 90)
XYZ	xyz(8.0356, 8.2825, 1.6656)
Luminance	0.0828 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#634F10 #102463

analogous

#632510 #634F10 #4E6310

triadic

#634F10 #10634F #4F1063

tetradic

#634F10 #106325 #102463 #63104E

square

#634F10 #106325 #102463 #63104E

split-complementary

#634F10 #104E63 #251063

monochromatic

#1A1504 #2E2507 #634F10 #987919 #CCA321

Accessibility & contrast

On white

7.91

#634F10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#634F10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #634F10

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##634F10	#FFFFFF	#000000	##FFFFFF
##634F10	1.00	7.91	2.66	7.91
#FFFFFF	7.91	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594E04

Deuteranopia (green-blind)

#5E5414

Tritanopia (blue-blind)

#6C4743

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #634f10;
/* rgb */ color: rgb(99, 79, 16);
/* oklch */ color: oklch(43.6% 0.082 90.0);

Tailwind

colors: {
  custom: {
    50: '#938054',
    500: '#634f10',
    950: '#000000',
  },
}

SCSS

$custom: #634f10;
$custom-light: #938054;
$custom-dark: #000000;

JSON

{
  "hex": "#634f10",
  "rgb": {
    "r": 99,
    "g": 79,
    "b": 16
  },
  "hsl": {
    "h": 45.542,
    "s": 72.174,
    "l": 22.549
  },
  "oklch": {
    "l": 0.43649,
    "c": 0.08158,
    "h": 90
  },
  "luminance": 0.08282
}

Semantic roles & 50–950 ramp

primary

#634F10

secondary

#334C9C

accent

#65EF39

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0D0A03

muted

#7E7C78

Preview Lab

Preview with #634F10

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

Preview Lab → · Contrast checker → · Palette generator →