#646F13#646F13

#646F13 is a mid, moderate yellow. Relative luminance 0.141; OKLCH L 51.5% C 0.111 H 116.6°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#646F13
RGB	rgb(100, 111, 19)
HSL	hsl(67, 71%, 25%)
HSV	hsv(67, 83%, 44%)
CMYK	cmyk(9.9%, 0%, 82.9%, 56.5%)
CIE-LAB	lab(44.41, -16.31, 45.41)
CIE-LCH	lch(44.41, 48.25, 109.76°)
OKLab	oklab(51.52% -0.0496 0.099)
OKLCH	oklch(51.52% 0.111 116.6)
XYZ	xyz(11.0578, 14.1254, 2.7599)
Luminance	0.1412 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646F13 #1E136F

analogous

#6F4C13 #646F13 #366F13

triadic

#646F13 #13646F #6F1364

tetradic

#646F13 #136F4C #1E136F #6F1336

square

#646F13 #136F4C #1E136F #6F1336

split-complementary

#646F13 #13366F #4C136F

monochromatic

#181A04 #353B0A #646F13 #93A31C #C2D825

Accessibility & contrast

On white

5.49

#646F13 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#646F13 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646F13

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646F13	#FFFFFF	#000000	##FFFFFF
##646F13	1.00	5.49	3.82	5.49
#FFFFFF	5.49	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#776900

Deuteranopia (green-blind)

#766A1C

Tritanopia (blue-blind)

#6B685E

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #646f13;
/* rgb */ color: rgb(100, 111, 19);
/* oklch */ color: oklch(51.5% 0.111 116.6);

Tailwind

colors: {
  custom: {
    50: '#93985a',
    500: '#646f13',
    950: '#000000',
  },
}

SCSS

$custom: #646f13;
$custom-light: #93985a;
$custom-dark: #000000;

JSON

{
  "hex": "#646f13",
  "rgb": {
    "r": 100,
    "g": 111,
    "b": 19
  },
  "hsl": {
    "h": 67.174,
    "s": 70.769,
    "l": 25.49
  },
  "oklch": {
    "l": 0.51522,
    "c": 0.11077,
    "h": 116.6
  },
  "luminance": 0.14125
}

Semantic roles & 50–950 ramp

primary

#646F13

secondary

#4538A6

accent

#3AEE50

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0D04

muted

#7E7E79

Preview Lab

Preview with #646F13

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

Preview Lab → · Contrast checker → · Palette generator →