#646E13#646E13

#646E13 is a mid, moderate yellow. Relative luminance 0.139; OKLCH L 51.3% C 0.110 H 116.1°. Best body text is #FFFFFF at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#646E13
RGB	rgb(100, 110, 19)
HSL	hsl(67, 71%, 25%)
HSV	hsv(67, 83%, 43%)
CMYK	cmyk(9.1%, 0%, 82.7%, 56.9%)
CIE-LAB	lab(44.10, -15.77, 45.13)
CIE-LCH	lch(44.10, 47.81, 109.26°)
OKLab	oklab(51.27% -0.0481 0.0984)
OKLCH	oklch(51.27% 0.11 116.1)
XYZ	xyz(10.9493, 13.9084, 2.7238)
Luminance	0.1391 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646E13 #1D136E

analogous

#6E4A13 #646E13 #376E13

triadic

#646E13 #13646E #6E1364

tetradic

#646E13 #136E4A #1D136E #6E1337

square

#646E13 #136E4A #1D136E #6E1337

split-complementary

#646E13 #13376E #4A136E

monochromatic

#181A05 #353A0A #646E13 #93A21C #C3D625

Accessibility & contrast

On white

5.55

#646E13 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#646E13 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646E13

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646E13	#FFFFFF	#000000	##FFFFFF
##646E13	1.00	5.55	3.78	5.55
#FFFFFF	5.55	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#766800

Deuteranopia (green-blind)

#76691C

Tritanopia (blue-blind)

#6B675D

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #646e13;
/* rgb */ color: rgb(100, 110, 19);
/* oklch */ color: oklch(51.3% 0.110 116.1);

Tailwind

colors: {
  custom: {
    50: '#93975a',
    500: '#646e13',
    950: '#000000',
  },
}

SCSS

$custom: #646e13;
$custom-light: #93975a;
$custom-dark: #000000;

JSON

{
  "hex": "#646e13",
  "rgb": {
    "r": 100,
    "g": 110,
    "b": 19
  },
  "hsl": {
    "h": 66.593,
    "s": 70.543,
    "l": 25.294
  },
  "oklch": {
    "l": 0.51272,
    "c": 0.10957,
    "h": 116.1
  },
  "luminance": 0.13908
}

Semantic roles & 50–950 ramp

primary

#646E13

secondary

#4438A5

accent

#3AED4E

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0D04

muted

#7E7E79

Preview Lab

Preview with #646E13

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

Preview Lab → · Contrast checker → · Palette generator →