#636E17#636E17

#636E17 is a mid, moderate yellow. Relative luminance 0.139; OKLCH L 51.2% C 0.108 H 116.8°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#636E17
RGB	rgb(99, 110, 23)
HSL	hsl(68, 65%, 26%)
HSV	hsv(68, 79%, 43%)
CMYK	cmyk(10%, 0%, 79.1%, 56.9%)
CIE-LAB	lab(44.04, -16.05, 43.70)
CIE-LCH	lch(44.04, 46.55, 110.17°)
OKLab	oklab(51.21% -0.0485 0.0962)
OKLCH	oklch(51.21% 0.108 116.8)
XYZ	xyz(10.8765, 13.8665, 2.9140)
Luminance	0.1387 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#636E17 #22176E

analogous

#6E4D17 #636E17 #376E17

triadic

#636E17 #17636E #6E1763

tetradic

#636E17 #176E4D #22176E #6E1737

square

#636E17 #176E4D #22176E #6E1737

split-complementary

#636E17 #17376E #4D176E

monochromatic

#171905 #353B0C #636E17 #91A122 #BED32C

Accessibility & contrast

On white

5.57

#636E17 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#636E17 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #636E17

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##636E17	#FFFFFF	#000000	##FFFFFF
##636E17	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)

#766803

Deuteranopia (green-blind)

#75691F

Tritanopia (blue-blind)

#6A675E

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #636e17;
/* rgb */ color: rgb(99, 110, 23);
/* oklch */ color: oklch(51.2% 0.108 116.8);

Tailwind

colors: {
  custom: {
    50: '#92975c',
    500: '#636e17',
    950: '#000000',
  },
}

SCSS

$custom: #636e17;
$custom-light: #92975c;
$custom-dark: #000000;

JSON

{
  "hex": "#636e17",
  "rgb": {
    "r": 99,
    "g": 110,
    "b": 23
  },
  "hsl": {
    "h": 67.586,
    "s": 65.414,
    "l": 26.078
  },
  "oklch": {
    "l": 0.5121,
    "c": 0.10773,
    "h": 116.8
  },
  "luminance": 0.13866
}

Semantic roles & 50–950 ramp

primary

#636E17

secondary

#4A3DA4

accent

#3FE855

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0D04

muted

#7E7E79

Preview Lab

Preview with #636E17

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

Preview Lab → · Contrast checker → · Palette generator →