#646A10#646A10

#646A10 is a mid, moderate yellow. Relative luminance 0.131; OKLCH L 50.3% C 0.106 H 113.7°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#646A10
RGB	rgb(100, 106, 16)
HSL	hsl(64, 74%, 24%)
HSV	hsv(64, 85%, 42%)
CMYK	cmyk(5.7%, 0%, 84.9%, 58.4%)
CIE-LAB	lab(42.85, -13.71, 44.94)
CIE-LCH	lch(42.85, 46.99, 106.96°)
OKLab	oklab(50.26% -0.0427 0.0975)
OKLCH	oklch(50.26% 0.106 113.7)
XYZ	xyz(10.5034, 13.0550, 2.4567)
Luminance	0.1305 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646A10 #16106A

analogous

#6A4310 #646A10 #376A10

triadic

#646A10 #10646A #6A1064

tetradic

#646A10 #106A43 #16106A #6A1037

square

#646A10 #106A43 #16106A #6A1037

split-complementary

#646A10 #10376A #43106A

monochromatic

#191B04 #323508 #646A10 #969F18 #C8D420

Accessibility & contrast

On white

5.82

#646A10 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#646A10 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646A10

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646A10	#FFFFFF	#000000	##FFFFFF
##646A10	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#736400

Deuteranopia (green-blind)

#726619

Tritanopia (blue-blind)

#6B635A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #646a10;
/* rgb */ color: rgb(100, 106, 16);
/* oklch */ color: oklch(50.3% 0.106 113.7);

Tailwind

colors: {
  custom: {
    50: '#939458',
    500: '#646a10',
    950: '#000000',
  },
}

SCSS

$custom: #646a10;
$custom-light: #939458;
$custom-dark: #000000;

JSON

{
  "hex": "#646a10",
  "rgb": {
    "r": 100,
    "g": 106,
    "b": 16
  },
  "hsl": {
    "h": 64,
    "s": 73.77,
    "l": 23.922
  },
  "oklch": {
    "l": 0.50261,
    "c": 0.10639,
    "h": 113.7
  },
  "luminance": 0.13055
}

Semantic roles & 50–950 ramp

primary

#646A10

secondary

#3B34A2

accent

#37F044

background

#F9F9F5

surface

#F2F1E9

border

#CCCBC5

text

#0D0D04

muted

#7E7E79

Preview Lab

Preview with #646A10

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

Preview Lab → · Contrast checker → · Palette generator →