#646331#646331

#646331 is a mid, moderate yellow. Relative luminance 0.119; OKLCH L 48.9% C 0.071 H 107.7°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#646331
RGB	rgb(100, 99, 49)
HSL	hsl(59, 34%, 29%)
HSV	hsv(59, 51%, 39%)
CMYK	cmyk(0%, 1%, 51%, 60.8%)
CIE-LAB	lab(40.98, -7.46, 28.33)
CIE-LCH	lch(40.98, 29.30, 104.75°)
OKLab	oklab(48.86% -0.0215 0.0673)
OKLCH	oklch(48.86% 0.071 107.7)
XYZ	xyz(10.2720, 11.8550, 4.6523)
Luminance	0.1186 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646331 #313264

analogous

#644A31 #646331 #4C6431

triadic

#646331 #316463 #633164

tetradic

#646331 #31644A #313264 #64314C

square

#646331 #31644A #313264 #64314C

split-complementary

#646331 #314C64 #4A3164

monochromatic

#15140A #3B3A1D #646331 #8D8C45 #B1AF5F

Accessibility & contrast

On white

6.23

#646331 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#646331 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646331

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646331	#FFFFFF	#000000	##FFFFFF
##646331	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A602D

Deuteranopia (green-blind)

#6B6233

Tritanopia (blue-blind)

#6A5D57

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #646331;
/* rgb */ color: rgb(100, 99, 49);
/* oklch */ color: oklch(48.9% 0.071 107.7);

Tailwind

colors: {
  custom: {
    50: '#918f6a',
    500: '#646331',
    950: '#000000',
  },
}

SCSS

$custom: #646331;
$custom-light: #918f6a;
$custom-dark: #000000;

JSON

{
  "hex": "#646331",
  "rgb": {
    "r": 100,
    "g": 99,
    "b": 49
  },
  "hsl": {
    "h": 58.824,
    "s": 34.228,
    "l": 29.216
  },
  "oklch": {
    "l": 0.48865,
    "c": 0.07069,
    "h": 107.7
  },
  "luminance": 0.11855
}

Semantic roles & 50–950 ramp

primary

#646331

secondary

#5C5D95

accent

#60CA5D

background

#F9F8F6

surface

#F1F0EB

border

#CBCBC6

text

#0D0C06

muted

#7E7D7A

Preview Lab

Preview with #646331

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

Preview Lab → · Contrast checker → · Palette generator →