#636C19#636C19

#636C19 is a mid, moderate yellow. Relative luminance 0.134; OKLCH L 50.7% C 0.104 H 115.7°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#636C19
RGB	rgb(99, 108, 25)
HSL	hsl(67, 62%, 26%)
HSV	hsv(67, 77%, 42%)
CMYK	cmyk(8.3%, 0%, 76.9%, 57.6%)
CIE-LAB	lab(43.43, -14.86, 42.38)
CIE-LCH	lch(43.43, 44.91, 109.32°)
OKLab	oklab(50.72% -0.045 0.0938)
OKLCH	oklch(50.72% 0.104 115.7)
XYZ	xyz(10.6839, 13.4481, 2.9524)
Luminance	0.1345 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#636C19 #22196C

analogous

#6C4B19 #636C19 #396C19

triadic

#636C19 #19636C #6C1963

tetradic

#636C19 #196C4B #22196C #6C1939

square

#636C19 #196C4B #22196C #6C1939

split-complementary

#636C19 #19396C #4B196C

monochromatic

#171906 #353A0D #636C19 #919E25 #BECF30

Accessibility & contrast

On white

5.69

#636C19 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#636C19 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #636C19

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##636C19	#FFFFFF	#000000	##FFFFFF
##636C19	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#746608

Deuteranopia (green-blind)

#736720

Tritanopia (blue-blind)

#6A655C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #636c19;
/* rgb */ color: rgb(99, 108, 25);
/* oklch */ color: oklch(50.7% 0.104 115.7);

Tailwind

colors: {
  custom: {
    50: '#92965d',
    500: '#636c19',
    950: '#000000',
  },
}

SCSS

$custom: #636c19;
$custom-light: #92965d;
$custom-dark: #000000;

JSON

{
  "hex": "#636c19",
  "rgb": {
    "r": 99,
    "g": 108,
    "b": 25
  },
  "hsl": {
    "h": 66.506,
    "s": 62.406,
    "l": 26.078
  },
  "oklch": {
    "l": 0.50724,
    "c": 0.10404,
    "h": 115.7
  },
  "luminance": 0.13448
}

Semantic roles & 50–950 ramp

primary

#636C19

secondary

#4A3FA1

accent

#42E554

background

#F9F9F5

surface

#F1F1E9

border

#CBCBC5

text

#0D0D04

muted

#7E7E79

Preview Lab

Preview with #636C19

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

Preview Lab → · Contrast checker → · Palette generator →