#646E2E#646E2E

#646E2E is a mid, moderate yellow. Relative luminance 0.141; OKLCH L 51.5% C 0.089 H 117.0°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#646E2E
RGB	rgb(100, 110, 46)
HSL	hsl(69, 41%, 31%)
HSV	hsv(69, 58%, 43%)
CMYK	cmyk(9.1%, 0%, 58.2%, 56.9%)
CIE-LAB	lab(44.32, -13.95, 33.83)
CIE-LCH	lch(44.32, 36.59, 112.41°)
OKLab	oklab(51.51% -0.0403 0.079)
OKLCH	oklch(51.51% 0.089 117)
XYZ	xyz(11.3248, 14.0586, 4.7012)
Luminance	0.1406 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646E2E #382E6E

analogous

#6E582E #646E2E #446E2E

triadic

#646E2E #2E646E #6E2E64

tetradic

#646E2E #2E6E58 #382E6E #6E2E44

square

#646E2E #2E6E58 #382E6E #6E2E44

split-complementary

#646E2E #2E446E #582E6E

monochromatic

#16180A #3D431C #646E2E #8B9940 #ACBB5C

Accessibility & contrast

On white

5.51

#646E2E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#646E2E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646E2E

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646E2E	#FFFFFF	#000000	##FFFFFF
##646E2E	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#756927

Deuteranopia (green-blind)

#746932

Tritanopia (blue-blind)

#6A6860

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #646e2e;
/* rgb */ color: rgb(100, 110, 46);
/* oklch */ color: oklch(51.5% 0.089 117.0);

Tailwind

colors: {
  custom: {
    50: '#929769',
    500: '#646e2e',
    950: '#000000',
  },
}

SCSS

$custom: #646e2e;
$custom-light: #929769;
$custom-dark: #000000;

JSON

{
  "hex": "#646e2e",
  "rgb": {
    "r": 100,
    "g": 110,
    "b": 46
  },
  "hsl": {
    "h": 69.375,
    "s": 41.026,
    "l": 30.588
  },
  "oklch": {
    "l": 0.51514,
    "c": 0.08864,
    "h": 117
  },
  "luminance": 0.14058
}

Semantic roles & 50–950 ramp

primary

#646E2E

secondary

#63589F

accent

#57D16A

background

#F9F9F6

surface

#F1F2EB

border

#CBCCC6

text

#0D0D06

muted

#7E7E7A

Preview Lab

Preview with #646E2E

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

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