#646D14#646D14

#646D14 is a mid, moderate yellow. Relative luminance 0.137; OKLCH L 51.0% C 0.108 H 115.5°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#646D14
RGB	rgb(100, 109, 20)
HSL	hsl(66, 69%, 25%)
HSV	hsv(66, 82%, 43%)
CMYK	cmyk(8.3%, 0%, 81.7%, 57.3%)
CIE-LAB	lab(43.80, -15.19, 44.53)
CIE-LCH	lch(43.80, 47.05, 108.83°)
OKLab	oklab(51.03% -0.0464 0.0973)
OKLCH	oklch(51.03% 0.108 115.5)
XYZ	xyz(10.8507, 13.6973, 2.7339)
Luminance	0.1370 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646D14 #1D146D

analogous

#6D4914 #646D14 #386D14

triadic

#646D14 #14646D #6D1464

tetradic

#646D14 #146D49 #1D146D #6D1438

square

#646D14 #146D49 #1D146D #6D1438

split-complementary

#646D14 #14386D #49146D

monochromatic

#181A05 #35390B #646D14 #93A11D #C3D427

Accessibility & contrast

On white

5.62

#646D14 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#646D14 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646D14

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646D14	#FFFFFF	#000000	##FFFFFF
##646D14	1.00	5.62	3.74	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#756700

Deuteranopia (green-blind)

#75681C

Tritanopia (blue-blind)

#6B665D

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #646d14;
/* rgb */ color: rgb(100, 109, 20);
/* oklch */ color: oklch(51.0% 0.108 115.5);

Tailwind

colors: {
  custom: {
    50: '#93965a',
    500: '#646d14',
    950: '#000000',
  },
}

SCSS

$custom: #646d14;
$custom-light: #93965a;
$custom-dark: #000000;

JSON

{
  "hex": "#646d14",
  "rgb": {
    "r": 100,
    "g": 109,
    "b": 20
  },
  "hsl": {
    "h": 66.067,
    "s": 68.992,
    "l": 25.294
  },
  "oklch": {
    "l": 0.51029,
    "c": 0.10785,
    "h": 115.5
  },
  "luminance": 0.13697
}

Semantic roles & 50–950 ramp

primary

#646D14

secondary

#4439A4

accent

#3CEC4E

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0D04

muted

#7E7E79

Preview Lab

Preview with #646D14

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

Preview Lab → · Contrast checker → · Palette generator →