#636A1E#636A1E

#636A1E is a mid, moderate yellow. Relative luminance 0.131; OKLCH L 50.3% C 0.098 H 114.5°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#636A1E
RGB	rgb(99, 106, 30)
HSL	hsl(66, 56%, 27%)
HSV	hsv(66, 72%, 42%)
CMYK	cmyk(6.6%, 0%, 71.7%, 58.4%)
CIE-LAB	lab(42.85, -13.47, 39.78)
CIE-LCH	lch(42.85, 42.00, 108.71°)
OKLab	oklab(50.27% -0.0407 0.0892)
OKLCH	oklch(50.27% 0.098 114.5)
XYZ	xyz(10.5342, 13.0546, 3.1929)
Luminance	0.1305 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#636A1E #251E6A

analogous

#6A4B1E #636A1E #3D6A1E

triadic

#636A1E #1E636A #6A1E63

tetradic

#636A1E #1E6A4B #251E6A #6A1E3D

square

#636A1E #1E6A4B #251E6A #6A1E3D

split-complementary

#636A1E #1E3D6A #4B1E6A

monochromatic

#161807 #363A11 #636A1E #909A2C #BBC73B

Accessibility & contrast

On white

5.82

#636A1E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#636A1E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #636A1E

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##636A1E	#FFFFFF	#000000	##FFFFFF
##636A1E	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#726512

Deuteranopia (green-blind)

#726624

Tritanopia (blue-blind)

#6A645B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #636a1e;
/* rgb */ color: rgb(99, 106, 30);
/* oklch */ color: oklch(50.3% 0.098 114.5);

Tailwind

colors: {
  custom: {
    50: '#92945f',
    500: '#636a1e',
    950: '#000000',
  },
}

SCSS

$custom: #636a1e;
$custom-light: #92945f;
$custom-dark: #000000;

JSON

{
  "hex": "#636a1e",
  "rgb": {
    "r": 99,
    "g": 106,
    "b": 30
  },
  "hsl": {
    "h": 65.526,
    "s": 55.882,
    "l": 26.667
  },
  "oklch": {
    "l": 0.50266,
    "c": 0.09806,
    "h": 114.5
  },
  "luminance": 0.13054
}

Semantic roles & 50–950 ramp

primary

#636A1E

secondary

#4E459E

accent

#49DF56

background

#F9F9F5

surface

#F1F1E9

border

#CBCBC5

text

#0D0D05

muted

#7E7E79

Preview Lab

Preview with #636A1E

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

Preview Lab → · Contrast checker → · Palette generator →