#636E12#636E12

#636E12 is a mid, moderate yellow. Relative luminance 0.138; OKLCH L 51.2% C 0.110 H 116.7°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#636E12
RGB	rgb(99, 110, 18)
HSL	hsl(67, 72%, 25%)
HSV	hsv(67, 84%, 43%)
CMYK	cmyk(10%, 0%, 83.6%, 56.9%)
CIE-LAB	lab(44.01, -16.28, 45.34)
CIE-LCH	lch(44.01, 48.17, 109.75°)
OKLab	oklab(51.18% -0.0496 0.0987)
OKLCH	oklch(51.18% 0.11 116.7)
XYZ	xyz(10.8310, 13.8483, 2.6746)
Luminance	0.1385 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#636E12 #1D126E

analogous

#6E4B12 #636E12 #356E12

triadic

#636E12 #12636E #6E1263

tetradic

#636E12 #126E4B #1D126E #6E1235

square

#636E12 #126E4B #1D126E #6E1235

split-complementary

#636E12 #12356E #4B126E

monochromatic

#181A04 #343909 #636E12 #92A31B #C2D723

Accessibility & contrast

On white

5.57

#636E12 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#636E12 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #636E12

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##636E12	#FFFFFF	#000000	##FFFFFF
##636E12	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: #636e12;
/* rgb */ color: rgb(99, 110, 18);
/* oklch */ color: oklch(51.2% 0.110 116.7);

Tailwind

colors: {
  custom: {
    50: '#92975a',
    500: '#636e12',
    950: '#000000',
  },
}

SCSS

$custom: #636e12;
$custom-light: #92975a;
$custom-dark: #000000;

JSON

{
  "hex": "#636e12",
  "rgb": {
    "r": 99,
    "g": 110,
    "b": 18
  },
  "hsl": {
    "h": 67.174,
    "s": 71.875,
    "l": 25.098
  },
  "oklch": {
    "l": 0.51181,
    "c": 0.11046,
    "h": 116.7
  },
  "luminance": 0.13848
}

Semantic roles & 50–950 ramp

primary

#636E12

secondary

#4437A5

accent

#39EF4F

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0D04

muted

#7E7E79

Preview Lab

Preview with #636E12

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

Preview Lab → · Contrast checker → · Palette generator →