#636817#636817

#636817 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	#636817
RGB	rgb(99, 104, 23)
HSL	hsl(64, 64%, 25%)
HSV	hsv(64, 78%, 41%)
CMYK	cmyk(4.8%, 0%, 77.9%, 59.2%)
CIE-LAB	lab(42.18, -12.77, 41.95)
CIE-LCH	lch(42.18, 43.85, 106.93°)
OKLab	oklab(49.72% -0.0394 0.0925)
OKLCH	oklch(49.72% 0.101 113.1)
XYZ	xyz(10.2509, 12.6154, 2.7055)
Luminance	0.1262 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#636817 #1C1768

analogous

#684517 #636817 #3A6817

triadic

#636817 #176368 #681763

tetradic

#636817 #176845 #1C1768 #68173A

square

#636817 #176845 #1C1768 #68173A

split-complementary

#636817 #173A68 #451768

monochromatic

#181906 #33360C #636817 #939A22 #C2CC2D

Accessibility & contrast

On white

5.96

#636817 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#636817 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #636817

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##636817	#FFFFFF	#000000	##FFFFFF
##636817	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)

#706306

Deuteranopia (green-blind)

#70641E

Tritanopia (blue-blind)

#6A6159

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #636817;
/* rgb */ color: rgb(99, 104, 23);
/* oklch */ color: oklch(49.7% 0.101 113.1);

Tailwind

colors: {
  custom: {
    50: '#92935b',
    500: '#636817',
    950: '#000000',
  },
}

SCSS

$custom: #636817;
$custom-light: #92935b;
$custom-dark: #000000;

JSON

{
  "hex": "#636817",
  "rgb": {
    "r": 99,
    "g": 104,
    "b": 23
  },
  "hsl": {
    "h": 63.704,
    "s": 63.78,
    "l": 24.902
  },
  "oklch": {
    "l": 0.49716,
    "c": 0.10053,
    "h": 113.1
  },
  "luminance": 0.12615
}

Semantic roles & 50–950 ramp

primary

#636817

secondary

#433D9E

accent

#41E74B

background

#F9F9F5

surface

#F2F1E9

border

#CCCBC5

text

#0D0D04

muted

#7E7E79

Preview Lab

Preview with #636817

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

Preview Lab → · Contrast checker → · Palette generator →