#646E10#646E10

#646E10 is a mid, moderate yellow. Relative luminance 0.139; OKLCH L 51.3% C 0.111 H 116.0°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#646E10
RGB	rgb(100, 110, 16)
HSL	hsl(66, 75%, 25%)
HSV	hsv(66, 85%, 43%)
CMYK	cmyk(9.1%, 0%, 85.5%, 56.9%)
CIE-LAB	lab(44.09, -15.89, 46.03)
CIE-LCH	lch(44.09, 48.69, 109.04°)
OKLab	oklab(51.26% -0.0487 0.0998)
OKLCH	oklch(51.26% 0.111 116)
XYZ	xyz(10.9253, 13.8988, 2.5973)
Luminance	0.1390 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646E10 #1A106E

analogous

#6E4910 #646E10 #356E10

triadic

#646E10 #10646E #6E1064

tetradic

#646E10 #106E49 #1A106E #6E1035

square

#646E10 #106E49 #1A106E #6E1035

split-complementary

#646E10 #10356E #49106E

monochromatic

#181B04 #333908 #646E10 #95A318 #C5D920

Accessibility & contrast

On white

5.56

#646E10 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#646E10 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646E10

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646E10	#FFFFFF	#000000	##FFFFFF
##646E10	1.00	5.56	3.78	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#766800

Deuteranopia (green-blind)

#76691A

Tritanopia (blue-blind)

#6B675D

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #646e10;
/* rgb */ color: rgb(100, 110, 16);
/* oklch */ color: oklch(51.3% 0.111 116.0);

Tailwind

colors: {
  custom: {
    50: '#939759',
    500: '#646e10',
    950: '#000000',
  },
}

SCSS

$custom: #646e10;
$custom-light: #939759;
$custom-dark: #000000;

JSON

{
  "hex": "#646e10",
  "rgb": {
    "r": 100,
    "g": 110,
    "b": 16
  },
  "hsl": {
    "h": 66.383,
    "s": 74.603,
    "l": 24.706
  },
  "oklch": {
    "l": 0.51257,
    "c": 0.11103,
    "h": 116
  },
  "luminance": 0.13899
}

Semantic roles & 50–950 ramp

primary

#646E10

secondary

#4034A6

accent

#37F14A

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0D04

muted

#7E7E79

Preview Lab

Preview with #646E10

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

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