#646A52#646A52

#646A52 is a mid, muted yellow-green. Relative luminance 0.136; OKLCH L 51.2% C 0.037 H 119.1°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#646A52
RGB	rgb(100, 106, 82)
HSL	hsl(75, 13%, 37%)
HSV	hsv(75, 23%, 42%)
CMYK	cmyk(5.7%, 0%, 22.6%, 58.4%)
CIE-LAB	lab(43.69, -6.93, 12.74)
CIE-LCH	lch(43.69, 14.50, 118.57°)
OKLab	oklab(51.21% -0.0181 0.0325)
OKLCH	oklch(51.21% 0.037 119.1)
XYZ	xyz(11.9324, 13.6266, 9.9826)
Luminance	0.1363 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646A52 #58526A

analogous

#6A6452 #646A52 #586A52

triadic

#646A52 #52646A #6A5264

tetradic

#646A52 #526A64 #58526A #6A5258

square

#646A52 #526A64 #58526A #6A5258

split-complementary

#646A52 #52586A #64526A

monochromatic

#23251D #434737 #646A52 #858D6D #A2A88E

Accessibility & contrast

On white

5.64

#646A52 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#646A52 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646A52

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646A52	#FFFFFF	#000000	##FFFFFF
##646A52	1.00	5.64	3.73	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D6751

Deuteranopia (green-blind)

#6D6753

Tritanopia (blue-blind)

#666763

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #646a52;
/* rgb */ color: rgb(100, 106, 82);
/* oklch */ color: oklch(51.2% 0.037 119.1);

Tailwind

colors: {
  custom: {
    50: '#909482',
    500: '#646a52',
    950: '#000000',
  },
}

SCSS

$custom: #646a52;
$custom-light: #909482;
$custom-dark: #000000;

JSON

{
  "hex": "#646a52",
  "rgb": {
    "r": 100,
    "g": 106,
    "b": 82
  },
  "hsl": {
    "h": 75,
    "s": 12.766,
    "l": 36.863
  },
  "oklch": {
    "l": 0.51211,
    "c": 0.03717,
    "h": 119.1
  },
  "luminance": 0.13627
}

Semantic roles & 50–950 ramp

primary

#646A52

secondary

#878296

accent

#72B683

background

#F8F9F7

surface

#F0F1EE

border

#CBCBC9

text

#0C0D0A

muted

#7D7E7C

Preview Lab

Preview with #646A52

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

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