#636D0F#636D0F

#636D0F is a mid, moderate yellow. Relative luminance 0.136; OKLCH L 50.9% C 0.111 H 116.1°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#636D0F
RGB	rgb(99, 109, 15)
HSL	hsl(66, 76%, 24%)
HSV	hsv(66, 86%, 43%)
CMYK	cmyk(9.2%, 0%, 86.2%, 57.3%)
CIE-LAB	lab(43.69, -15.85, 45.93)
CIE-LCH	lch(43.69, 48.59, 109.04°)
OKLab	oklab(50.92% -0.0486 0.0994)
OKLCH	oklch(50.92% 0.111 116.1)
XYZ	xyz(10.7008, 13.6246, 2.5179)
Luminance	0.1362 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#636D0F #190F6D

analogous

#6D480F #636D0F #346D0F

triadic

#636D0F #0F636D #6D0F63

tetradic

#636D0F #0F6D48 #190F6D #6D0F34

square

#636D0F #0F6D48 #190F6D #6D0F34

split-complementary

#636D0F #0F346D #480F6D

monochromatic

#181B04 #323708 #636D0F #94A316 #C5D91E

Accessibility & contrast

On white

5.64

#636D0F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#636D0F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #636D0F

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##636D0F	#FFFFFF	#000000	##FFFFFF
##636D0F	1.00	5.64	3.72	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#756700

Deuteranopia (green-blind)

#756819

Tritanopia (blue-blind)

#6A665C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #636d0f;
/* rgb */ color: rgb(99, 109, 15);
/* oklch */ color: oklch(50.9% 0.111 116.1);

Tailwind

colors: {
  custom: {
    50: '#939658',
    500: '#636d0f',
    950: '#000000',
  },
}

SCSS

$custom: #636d0f;
$custom-light: #939658;
$custom-dark: #000000;

JSON

{
  "hex": "#636d0f",
  "rgb": {
    "r": 99,
    "g": 109,
    "b": 15
  },
  "hsl": {
    "h": 66.383,
    "s": 75.806,
    "l": 24.314
  },
  "oklch": {
    "l": 0.50915,
    "c": 0.11069,
    "h": 116.1
  },
  "luminance": 0.13624
}

Semantic roles & 50–950 ramp

primary

#636D0F

secondary

#3F33A5

accent

#35F24A

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0D04

muted

#7E7E79

Preview Lab

Preview with #636D0F

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

Preview Lab → · Contrast checker → · Palette generator →