#646A2A#646A2A

#646A2A is a mid, moderate yellow. Relative luminance 0.132; OKLCH L 50.5% C 0.087 H 114.0°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#646A2A
RGB	rgb(100, 106, 42)
HSL	hsl(66, 43%, 29%)
HSV	hsv(66, 60%, 42%)
CMYK	cmyk(5.7%, 0%, 60.4%, 58.4%)
CIE-LAB	lab(43.04, -12.10, 34.41)
CIE-LCH	lch(43.04, 36.47, 109.38°)
OKLab	oklab(50.48% -0.0355 0.0797)
OKLCH	oklch(50.48% 0.087 114)
XYZ	xyz(10.8277, 13.1847, 4.1646)
Luminance	0.1318 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646A2A #302A6A

analogous

#6A502A #646A2A #446A2A

triadic

#646A2A #2A646A #6A2A64

tetradic

#646A2A #2A6A50 #302A6A #6A2A44

square

#646A2A #2A6A50 #302A6A #6A2A44

split-complementary

#646A2A #2A446A #502A6A

monochromatic

#151609 #3B3E19 #646A2A #8D963B #B1BB53

Accessibility & contrast

On white

5.77

#646A2A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#646A2A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646A2A

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646A2A	#FFFFFF	#000000	##FFFFFF
##646A2A	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#716523

Deuteranopia (green-blind)

#71662E

Tritanopia (blue-blind)

#6A645C

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #646a2a;
/* rgb */ color: rgb(100, 106, 42);
/* oklch */ color: oklch(50.5% 0.087 114.0);

Tailwind

colors: {
  custom: {
    50: '#929466',
    500: '#646a2a',
    950: '#000000',
  },
}

SCSS

$custom: #646a2a;
$custom-light: #929466;
$custom-dark: #000000;

JSON

{
  "hex": "#646a2a",
  "rgb": {
    "r": 100,
    "g": 106,
    "b": 42
  },
  "hsl": {
    "h": 65.625,
    "s": 43.243,
    "l": 29.02
  },
  "oklch": {
    "l": 0.50478,
    "c": 0.08725,
    "h": 114
  },
  "luminance": 0.13185
}

Semantic roles & 50–950 ramp

primary

#646A2A

secondary

#5A549C

accent

#55D361

background

#F9F9F6

surface

#F1F1EB

border

#CBCBC6

text

#0D0D06

muted

#7E7E7A

Preview Lab

Preview with #646A2A

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

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