#636E11#636E11

#636E11 is a mid, moderate yellow. Relative luminance 0.138; OKLCH L 51.2% C 0.111 H 116.6°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#636E11
RGB	rgb(99, 110, 17)
HSL	hsl(67, 73%, 25%)
HSV	hsv(67, 85%, 43%)
CMYK	cmyk(10%, 0%, 84.5%, 56.9%)
CIE-LAB	lab(44.01, -16.32, 45.63)
CIE-LCH	lch(44.01, 48.46, 109.67°)
OKLab	oklab(51.18% -0.0498 0.0992)
OKLCH	oklch(51.18% 0.111 116.6)
XYZ	xyz(10.8230, 13.8451, 2.6324)
Luminance	0.1384 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#636E11 #1C116E

analogous

#6E4B11 #636E11 #346E11

triadic

#636E11 #11636E #6E1163

tetradic

#636E11 #116E4B #1C116E #6E1134

square

#636E11 #116E4B #1C116E #6E1134

split-complementary

#636E11 #11346E #4B116E

monochromatic

#181B04 #333909 #636E11 #93A319 #C2D821

Accessibility & contrast

On white

5.57

#636E11 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#636E11 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #636E11

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##636E11	#FFFFFF	#000000	##FFFFFF
##636E11	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#766800

Deuteranopia (green-blind)

#75691B

Tritanopia (blue-blind)

#6A675D

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #636e11;
/* rgb */ color: rgb(99, 110, 17);
/* oklch */ color: oklch(51.2% 0.111 116.6);

Tailwind

colors: {
  custom: {
    50: '#939759',
    500: '#636e11',
    950: '#000000',
  },
}

SCSS

$custom: #636e11;
$custom-light: #939759;
$custom-dark: #000000;

JSON

{
  "hex": "#636e11",
  "rgb": {
    "r": 99,
    "g": 110,
    "b": 17
  },
  "hsl": {
    "h": 67.097,
    "s": 73.228,
    "l": 24.902
  },
  "oklch": {
    "l": 0.51176,
    "c": 0.11094,
    "h": 116.6
  },
  "luminance": 0.13845
}

Semantic roles & 50–950 ramp

primary

#636E11

secondary

#4335A5

accent

#38F04E

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0D04

muted

#7E7E79

Preview Lab

Preview with #636E11

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

Preview Lab → · Contrast checker → · Palette generator →