#646F10#646F10

#646F10 is a mid, moderate yellow. Relative luminance 0.141; OKLCH L 51.5% C 0.112 H 116.6°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#646F10
RGB	rgb(100, 111, 16)
HSL	hsl(67, 75%, 25%)
HSV	hsv(67, 86%, 44%)
CMYK	cmyk(9.9%, 0%, 85.6%, 56.5%)
CIE-LAB	lab(44.40, -16.43, 46.30)
CIE-LCH	lch(44.40, 49.12, 109.54°)
OKLab	oklab(51.51% -0.0502 0.1004)
OKLCH	oklch(51.51% 0.112 116.6)
XYZ	xyz(11.0338, 14.1158, 2.6335)
Luminance	0.1412 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646F10 #1B106F

analogous

#6F4A10 #646F10 #356F10

triadic

#646F10 #10646F #6F1064

tetradic

#646F10 #106F4A #1B106F #6F1035

square

#646F10 #106F4A #1B106F #6F1035

split-complementary

#646F10 #10356F #4A106F

monochromatic

#181B04 #343A08 #646F10 #94A418 #C4DA1F

Accessibility & contrast

On white

5.49

#646F10 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#646F10 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646F10

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646F10	#FFFFFF	#000000	##FFFFFF
##646F10	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)

#766A1A

Tritanopia (blue-blind)

#6B685E

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #646f10;
/* rgb */ color: rgb(100, 111, 16);
/* oklch */ color: oklch(51.5% 0.112 116.6);

Tailwind

colors: {
  custom: {
    50: '#939859',
    500: '#646f10',
    950: '#000000',
  },
}

SCSS

$custom: #646f10;
$custom-light: #939859;
$custom-dark: #000000;

JSON

{
  "hex": "#646f10",
  "rgb": {
    "r": 100,
    "g": 111,
    "b": 16
  },
  "hsl": {
    "h": 66.947,
    "s": 74.803,
    "l": 24.902
  },
  "oklch": {
    "l": 0.51507,
    "c": 0.1122,
    "h": 116.6
  },
  "luminance": 0.14116
}

Semantic roles & 50–950 ramp

primary

#646F10

secondary

#4134A7

accent

#36F14C

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0D04

muted

#7E7E79

Preview Lab

Preview with #646F10

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

Preview Lab → · Contrast checker → · Palette generator →