#63631E#63631E

#63631E is a mid, moderate yellow. Relative luminance 0.117; OKLCH L 48.5% C 0.090 H 109.3°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#63631E
RGB	rgb(99, 99, 30)
HSL	hsl(60, 53%, 25%)
HSV	hsv(60, 70%, 39%)
CMYK	cmyk(0%, 0%, 69.7%, 61.2%)
CIE-LAB	lab(40.69, -9.55, 37.58)
CIE-LCH	lch(40.69, 38.78, 104.25°)
OKLab	oklab(48.54% -0.0297 0.0846)
OKLCH	oklch(48.54% 0.09 109.3)
XYZ	xyz(9.8421, 11.6703, 2.9622)
Luminance	0.1167 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63631E #1E1E63

analogous

#63401E #63631E #40631E

triadic

#63631E #1E6363 #631E63

tetradic

#63631E #1E6340 #1E1E63 #631E40

square

#63631E #1E6340 #1E1E63 #631E40

split-complementary

#63631E #1E4063 #401E63

monochromatic

#171707 #343410 #63631E #92922C #C1C13A

Accessibility & contrast

On white

6.30

#63631E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#63631E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #63631E

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63631E	#FFFFFF	#000000	##FFFFFF
##63631E	1.00	6.30	3.33	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B5F14

Deuteranopia (green-blind)

#6C6123

Tritanopia (blue-blind)

#6A5D55

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #63631e;
/* rgb */ color: rgb(99, 99, 30);
/* oklch */ color: oklch(48.5% 0.090 109.3);

Tailwind

colors: {
  custom: {
    50: '#928f5e',
    500: '#63631e',
    950: '#000000',
  },
}

SCSS

$custom: #63631e;
$custom-light: #928f5e;
$custom-dark: #000000;

JSON

{
  "hex": "#63631e",
  "rgb": {
    "r": 99,
    "g": 99,
    "b": 30
  },
  "hsl": {
    "h": 60,
    "s": 53.488,
    "l": 25.294
  },
  "oklch": {
    "l": 0.4854,
    "c": 0.08965,
    "h": 109.3
  },
  "luminance": 0.1167
}

Semantic roles & 50–950 ramp

primary

#63631E

secondary

#454598

accent

#4BDD4B

background

#F9F8F5

surface

#F1F0E9

border

#CBCBC5

text

#0D0C05

muted

#7E7D79

Preview Lab

Preview with #63631E

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

Preview Lab → · Contrast checker → · Palette generator →