#635E1A#635E1A

#635E1A is a mid, moderate yellow. Relative luminance 0.107; OKLCH L 47.3% C 0.087 H 105.1°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX#635E1A
RGBrgb(99, 94, 26)
HSLhsl(56, 58%, 25%)
HSVhsv(56, 74%, 39%)
CMYKcmyk(0%, 5.1%, 73.7%, 61.2%)
CIE-LABlab(39.13, -6.93, 37.77)
CIE-LCHlch(39.13, 38.40, 100.39°)
OKLaboklab(47.29% -0.0227 0.0843)
OKLCHoklch(47.29% 0.087 105.1)
XYZxyz(9.3351, 10.7330, 2.5570)
Luminance0.1073 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#635E1A #1A1F63
analogous
#63391A #635E1A #44631A
triadic
#635E1A #1A635E #5E1A63
tetradic
#635E1A #1A6339 #1A1F63 #631A44
square
#635E1A #1A6339 #1A1F63 #631A44
split-complementary
#635E1A #1A4463 #391A63
monochromatic
#181706 #33300D #635E1A #938C27 #C4BA33

Accessibility & contrast

On white

6.67
#635E1A on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.15
#635E1A on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #635E1A
6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##635E1A#FFFFFF#000000##FFFFFF
##635E1A1.006.673.156.67
#FFFFFF6.671.0021.001.00
#0000003.1521.001.0021.00
##FFFFFF6.671.0021.001.00

Color blindness preview

Protanopia (red-blind)
#675A10
Deuteranopia (green-blind)
#685E1F
Tritanopia (blue-blind)
#6B5750
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #635e1a;
/* rgb */ color: rgb(99, 94, 26);
/* oklch */ color: oklch(47.3% 0.087 105.1);
Tailwind
colors: {
  custom: {
    50: '#928b5b',
    500: '#635e1a',
    950: '#000000',
  },
}
SCSS
$custom: #635e1a;
$custom-light: #928b5b;
$custom-dark: #000000;
JSON
{
  "hex": "#635e1a",
  "rgb": {
    "r": 99,
    "g": 94,
    "b": 26
  },
  "hsl": {
    "h": 55.89,
    "s": 58.4,
    "l": 24.51
  },
  "oklch": {
    "l": 0.47286,
    "c": 0.08727,
    "h": 105.1
  },
  "luminance": 0.10733
}

Semantic roles & 50–950 ramp

primary
#635E1A
secondary
#404699
accent
#51E246
background
#F9F8F5
surface
#F1F0E9
border
#CBCBC5
text
#0D0B04
muted
#7E7C79

Preview Lab

Preview with #635E1A

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

Preview Lab → · Contrast checker → · Palette generator →

#635E1A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva