#636816#636816

#636816 is a mid, moderate yellow. Relative luminance 0.126; OKLCH L 49.7% C 0.101 H 113.1°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#636816
RGB	rgb(99, 104, 22)
HSL	hsl(64, 65%, 25%)
HSV	hsv(64, 79%, 41%)
CMYK	cmyk(4.8%, 0%, 78.8%, 59.2%)
CIE-LAB	lab(42.17, -12.82, 42.31)
CIE-LCH	lch(42.17, 44.21, 106.85°)
OKLab	oklab(49.71% -0.0397 0.093)
OKLCH	oklch(49.71% 0.101 113.1)
XYZ	xyz(10.2410, 12.6114, 2.6537)
Luminance	0.1261 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#636816 #1B1668

analogous

#684416 #636816 #3A6816

triadic

#636816 #166368 #681663

tetradic

#636816 #166844 #1B1668 #68163A

square

#636816 #166844 #1B1668 #68163A

split-complementary

#636816 #163A68 #441668

monochromatic

#181905 #33350B #636816 #939B21 #C3CD2B

Accessibility & contrast

On white

5.96

#636816 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#636816 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #636816

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##636816	#FFFFFF	#000000	##FFFFFF
##636816	1.00	5.96	3.52	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#706304

Deuteranopia (green-blind)

#70641D

Tritanopia (blue-blind)

#6A6158

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #636816;
/* rgb */ color: rgb(99, 104, 22);
/* oklch */ color: oklch(49.7% 0.101 113.1);

Tailwind

colors: {
  custom: {
    50: '#92935b',
    500: '#636816',
    950: '#000000',
  },
}

SCSS

$custom: #636816;
$custom-light: #92935b;
$custom-dark: #000000;

JSON

{
  "hex": "#636816",
  "rgb": {
    "r": 99,
    "g": 104,
    "b": 22
  },
  "hsl": {
    "h": 63.659,
    "s": 65.079,
    "l": 24.706
  },
  "oklch": {
    "l": 0.49709,
    "c": 0.10115,
    "h": 113.1
  },
  "luminance": 0.12611
}

Semantic roles & 50–950 ramp

primary

#636816

secondary

#413B9F

accent

#40E84A

background

#F9F8F5

surface

#F2F0E9

border

#CCCBC5

text

#0D0D04

muted

#7E7D79

Preview Lab

Preview with #636816

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

Preview Lab → · Contrast checker → · Palette generator →