#646A2B#646A2B

#646A2B is a mid, moderate yellow. Relative luminance 0.132; OKLCH L 50.5% C 0.086 H 114.0°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#646A2B
RGB	rgb(100, 106, 43)
HSL	hsl(66, 42%, 29%)
HSV	hsv(66, 59%, 42%)
CMYK	cmyk(5.7%, 0%, 59.4%, 58.4%)
CIE-LAB	lab(43.05, -12.01, 33.92)
CIE-LCH	lch(43.05, 35.98, 109.50°)
OKLab	oklab(50.49% -0.0351 0.0788)
OKLCH	oklch(50.49% 0.086 114)
XYZ	xyz(10.8458, 13.1920, 4.2600)
Luminance	0.1319 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646A2B #312B6A

analogous

#6A512B #646A2B #456A2B

triadic

#646A2B #2B646A #6A2B64

tetradic

#646A2B #2B6A51 #312B6A #6A2B45

square

#646A2B #2B6A51 #312B6A #6A2B45

split-complementary

#646A2B #2B456A #512B6A

monochromatic

#151609 #3B3E19 #646A2B #8D963D #B1BA55

Accessibility & contrast

On white

5.77

#646A2B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#646A2B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646A2B

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646A2B	#FFFFFF	#000000	##FFFFFF
##646A2B	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)

#716524

Deuteranopia (green-blind)

#71662F

Tritanopia (blue-blind)

#6A645C

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #646a2b;
/* rgb */ color: rgb(100, 106, 43);
/* oklch */ color: oklch(50.5% 0.086 114.0);

Tailwind

colors: {
  custom: {
    50: '#929467',
    500: '#646a2b',
    950: '#000000',
  },
}

SCSS

$custom: #646a2b;
$custom-light: #929467;
$custom-dark: #000000;

JSON

{
  "hex": "#646a2b",
  "rgb": {
    "r": 100,
    "g": 106,
    "b": 43
  },
  "hsl": {
    "h": 65.714,
    "s": 42.282,
    "l": 29.216
  },
  "oklch": {
    "l": 0.5049,
    "c": 0.08627,
    "h": 114
  },
  "luminance": 0.13192
}

Semantic roles & 50–950 ramp

primary

#646A2B

secondary

#5C559C

accent

#56D262

background

#F9F9F6

surface

#F1F1EB

border

#CBCBC6

text

#0D0D06

muted

#7E7E7A

Preview Lab

Preview with #646A2B

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

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