#636C15#636C15

#636C15 is a mid, moderate yellow. Relative luminance 0.134; OKLCH L 50.7% C 0.106 H 115.6°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#636C15
RGB	rgb(99, 108, 21)
HSL	hsl(66, 67%, 25%)
HSV	hsv(66, 81%, 42%)
CMYK	cmyk(8.3%, 0%, 80.6%, 57.6%)
CIE-LAB	lab(43.41, -15.06, 43.81)
CIE-LCH	lch(43.41, 46.33, 108.97°)
OKLab	oklab(50.7% -0.046 0.096)
OKLCH	oklch(50.7% 0.106 115.6)
XYZ	xyz(10.6438, 13.4321, 2.7413)
Luminance	0.1343 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#636C15 #1E156C

analogous

#6C4915 #636C15 #376C15

triadic

#636C15 #15636C #6C1563

tetradic

#636C15 #156C49 #1E156C #6C1537

square

#636C15 #156C49 #1E156C #6C1537

split-complementary

#636C15 #15376C #49156C

monochromatic

#171A05 #34390B #636C15 #929F1F #C1D229

Accessibility & contrast

On white

5.70

#636C15 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#636C15 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #636C15

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##636C15	#FFFFFF	#000000	##FFFFFF
##636C15	1.00	5.70	3.69	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#746601

Deuteranopia (green-blind)

#74671D

Tritanopia (blue-blind)

#6A655C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #636c15;
/* rgb */ color: rgb(99, 108, 21);
/* oklch */ color: oklch(50.7% 0.106 115.6);

Tailwind

colors: {
  custom: {
    50: '#92965b',
    500: '#636c15',
    950: '#000000',
  },
}

SCSS

$custom: #636c15;
$custom-light: #92965b;
$custom-dark: #000000;

JSON

{
  "hex": "#636c15",
  "rgb": {
    "r": 99,
    "g": 108,
    "b": 21
  },
  "hsl": {
    "h": 66.207,
    "s": 67.442,
    "l": 25.294
  },
  "oklch": {
    "l": 0.50698,
    "c": 0.10647,
    "h": 115.6
  },
  "luminance": 0.13432
}

Semantic roles & 50–950 ramp

primary

#636C15

secondary

#453AA3

accent

#3DEA4F

background

#F9F9F5

surface

#F2F1E9

border

#CCCBC5

text

#0D0D04

muted

#7E7E79

Preview Lab

Preview with #636C15

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

Preview Lab → · Contrast checker → · Palette generator →