#646D2E#646D2E

#646D2E is a mid, moderate yellow. Relative luminance 0.138; OKLCH L 51.3% C 0.087 H 116.3°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#646D2E
RGB	rgb(100, 109, 46)
HSL	hsl(69, 41%, 30%)
HSV	hsv(69, 58%, 43%)
CMYK	cmyk(8.3%, 0%, 57.8%, 57.3%)
CIE-LAB	lab(44.01, -13.40, 33.48)
CIE-LCH	lch(44.01, 36.06, 111.81°)
OKLab	oklab(51.27% -0.0387 0.0782)
OKLCH	oklch(51.27% 0.087 116.3)
XYZ	xyz(11.2175, 13.8440, 4.6655)
Luminance	0.1384 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646D2E #372E6D

analogous

#6D562E #646D2E #456D2E

triadic

#646D2E #2E646D #6D2E64

tetradic

#646D2E #2E6D56 #372E6D #6D2E45

square

#646D2E #2E6D56 #372E6D #6D2E45

split-complementary

#646D2E #2E456D #562E6D

monochromatic

#15170A #3D421C #646D2E #8B9840 #ACBA5B

Accessibility & contrast

On white

5.57

#646D2E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#646D2E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646D2E

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646D2E	#FFFFFF	#000000	##FFFFFF
##646D2E	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#746828

Deuteranopia (green-blind)

#736832

Tritanopia (blue-blind)

#6A675F

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #646d2e;
/* rgb */ color: rgb(100, 109, 46);
/* oklch */ color: oklch(51.3% 0.087 116.3);

Tailwind

colors: {
  custom: {
    50: '#929669',
    500: '#646d2e',
    950: '#000000',
  },
}

SCSS

$custom: #646d2e;
$custom-light: #929669;
$custom-dark: #000000;

JSON

{
  "hex": "#646d2e",
  "rgb": {
    "r": 100,
    "g": 109,
    "b": 46
  },
  "hsl": {
    "h": 68.571,
    "s": 40.645,
    "l": 30.392
  },
  "oklch": {
    "l": 0.51267,
    "c": 0.08726,
    "h": 116.3
  },
  "luminance": 0.13844
}

Semantic roles & 50–950 ramp

primary

#646D2E

secondary

#62589F

accent

#57D069

background

#F9F9F6

surface

#F1F2EB

border

#CBCCC6

text

#0D0D06

muted

#7E7E7A

Preview Lab

Preview with #646D2E

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

Preview Lab → · Contrast checker → · Palette generator →