#636C16#636C16

#636C16 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	#636C16
RGB	rgb(99, 108, 22)
HSL	hsl(66, 66%, 25%)
HSV	hsv(66, 80%, 42%)
CMYK	cmyk(8.3%, 0%, 79.6%, 57.6%)
CIE-LAB	lab(43.41, -15.01, 43.47)
CIE-LCH	lch(43.41, 45.99, 109.06°)
OKLab	oklab(50.7% -0.0457 0.0955)
OKLCH	oklch(50.7% 0.106 115.6)
XYZ	xyz(10.6533, 13.4359, 2.7911)
Luminance	0.1344 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#636C16 #1F166C

analogous

#6C4A16 #636C16 #386C16

triadic

#636C16 #16636C #6C1663

tetradic

#636C16 #166C4A #1F166C #6C1638

square

#636C16 #166C4A #1F166C #6C1638

split-complementary

#636C16 #16386C #4A166C

monochromatic

#171905 #34390C #636C16 #929F20 #C0D22B

Accessibility & contrast

On white

5.70

#636C16 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#636C16 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #636C16

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##636C16	#FFFFFF	#000000	##FFFFFF
##636C16	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)

#746602

Deuteranopia (green-blind)

#74671E

Tritanopia (blue-blind)

#6A655C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #636c16;
/* rgb */ color: rgb(99, 108, 22);
/* oklch */ color: oklch(50.7% 0.106 115.6);

Tailwind

colors: {
  custom: {
    50: '#92965b',
    500: '#636c16',
    950: '#000000',
  },
}

SCSS

$custom: #636c16;
$custom-light: #92965b;
$custom-dark: #000000;

JSON

{
  "hex": "#636c16",
  "rgb": {
    "r": 99,
    "g": 108,
    "b": 22
  },
  "hsl": {
    "h": 66.279,
    "s": 66.154,
    "l": 25.49
  },
  "oklch": {
    "l": 0.50704,
    "c": 0.10589,
    "h": 115.6
  },
  "luminance": 0.13436
}

Semantic roles & 50–950 ramp

primary

#636C16

secondary

#463CA2

accent

#3FE951

background

#F9F9F5

surface

#F2F1E9

border

#CCCBC5

text

#0D0D04

muted

#7E7E79

Preview Lab

Preview with #636C16

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

Preview Lab → · Contrast checker → · Palette generator →