#646E11#646E11

#646E11 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 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#646E11
RGB	rgb(100, 110, 17)
HSL	hsl(66, 73%, 25%)
HSV	hsv(66, 85%, 43%)
CMYK	cmyk(9.1%, 0%, 84.5%, 56.9%)
CIE-LAB	lab(44.09, -15.85, 45.74)
CIE-LCH	lch(44.09, 48.41, 109.11°)
OKLab	oklab(51.26% -0.0485 0.0993)
OKLCH	oklch(51.26% 0.111 116)
XYZ	xyz(10.9329, 13.9018, 2.6376)
Luminance	0.1390 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646E11 #1B116E

analogous

#6E4A11 #646E11 #356E11

triadic

#646E11 #11646E #6E1164

tetradic

#646E11 #116E4A #1B116E #6E1135

square

#646E11 #116E4A #1B116E #6E1135

split-complementary

#646E11 #11356E #4A116E

monochromatic

#181B04 #343909 #646E11 #94A319 #C4D821

Accessibility & contrast

On white

5.55

#646E11 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#646E11 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646E11

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646E11	#FFFFFF	#000000	##FFFFFF
##646E11	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)

#76691A

Tritanopia (blue-blind)

#6B675D

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #646e11;
/* rgb */ color: rgb(100, 110, 17);
/* oklch */ color: oklch(51.3% 0.111 116.0);

Tailwind

colors: {
  custom: {
    50: '#939759',
    500: '#646e11',
    950: '#000000',
  },
}

SCSS

$custom: #646e11;
$custom-light: #939759;
$custom-dark: #000000;

JSON

{
  "hex": "#646e11",
  "rgb": {
    "r": 100,
    "g": 110,
    "b": 17
  },
  "hsl": {
    "h": 66.452,
    "s": 73.228,
    "l": 24.902
  },
  "oklch": {
    "l": 0.51262,
    "c": 0.11056,
    "h": 116
  },
  "luminance": 0.13902
}

Semantic roles & 50–950 ramp

primary

#646E11

secondary

#4135A5

accent

#38F04C

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0D04

muted

#7E7E79

Preview Lab

Preview with #646E11

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

Preview Lab → · Contrast checker → · Palette generator →