#636D17#636D17

#636D17 is a mid, moderate yellow. Relative luminance 0.137; OKLCH L 51.0% C 0.107 H 116.2°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#636D17
RGB	rgb(99, 109, 23)
HSL	hsl(67, 65%, 26%)
HSV	hsv(67, 79%, 43%)
CMYK	cmyk(9.2%, 0%, 78.9%, 57.3%)
CIE-LAB	lab(43.73, -15.51, 43.40)
CIE-LCH	lch(43.73, 46.09, 109.66°)
OKLab	oklab(50.96% -0.047 0.0956)
OKLCH	oklch(50.96% 0.107 116.2)
XYZ	xyz(10.7692, 13.6519, 2.8782)
Luminance	0.1365 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#636D17 #21176D

analogous

#6D4C17 #636D17 #386D17

triadic

#636D17 #17636D #6D1763

tetradic

#636D17 #176D4C #21176D #6D1738

square

#636D17 #176D4C #21176D #6D1738

split-complementary

#636D17 #17386D #4C176D

monochromatic

#171905 #353A0C #636D17 #91A022 #BFD22C

Accessibility & contrast

On white

5.63

#636D17 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#636D17 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #636D17

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##636D17	#FFFFFF	#000000	##FFFFFF
##636D17	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#756704

Deuteranopia (green-blind)

#74681F

Tritanopia (blue-blind)

#6A665D

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #636d17;
/* rgb */ color: rgb(99, 109, 23);
/* oklch */ color: oklch(51.0% 0.107 116.2);

Tailwind

colors: {
  custom: {
    50: '#92965c',
    500: '#636d17',
    950: '#000000',
  },
}

SCSS

$custom: #636d17;
$custom-light: #92965c;
$custom-dark: #000000;

JSON

{
  "hex": "#636d17",
  "rgb": {
    "r": 99,
    "g": 109,
    "b": 23
  },
  "hsl": {
    "h": 66.977,
    "s": 65.152,
    "l": 25.882
  },
  "oklch": {
    "l": 0.5096,
    "c": 0.10651,
    "h": 116.2
  },
  "luminance": 0.13652
}

Semantic roles & 50–950 ramp

primary

#636D17

secondary

#493DA3

accent

#40E853

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0D04

muted

#7E7E79

Preview Lab

Preview with #636D17

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

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