#646A4E#646A4E

#646A4E is a mid, muted yellow-green. Relative luminance 0.136; OKLCH L 51.1% C 0.043 H 117.8°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#646A4E
RGB	rgb(100, 106, 78)
HSL	hsl(73, 15%, 36%)
HSV	hsv(73, 26%, 42%)
CMYK	cmyk(5.7%, 0%, 26.4%, 58.4%)
CIE-LAB	lab(43.61, -7.60, 14.99)
CIE-LCH	lch(43.61, 16.81, 116.88°)
OKLab	oklab(51.11% -0.02 0.0379)
OKLCH	oklch(51.11% 0.043 117.8)
XYZ	xyz(11.7846, 13.5675, 9.2042)
Luminance	0.1357 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646A4E #544E6A

analogous

#6A624E #646A4E #566A4E

triadic

#646A4E #4E646A #6A4E64

tetradic

#646A4E #4E6A62 #544E6A #6A4E56

square

#646A4E #4E6A62 #544E6A #6A4E56

split-complementary

#646A4E #4E566A #624E6A

monochromatic

#21231A #434734 #646A4E #858D68 #A2A98A

Accessibility & contrast

On white

5.66

#646A4E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#646A4E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646A4E

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646A4E	#FFFFFF	#000000	##FFFFFF
##646A4E	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E674C

Deuteranopia (green-blind)

#6D674F

Tritanopia (blue-blind)

#676762

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #646a4e;
/* rgb */ color: rgb(100, 106, 78);
/* oklch */ color: oklch(51.1% 0.043 117.8);

Tailwind

colors: {
  custom: {
    50: '#90947f',
    500: '#646a4e',
    950: '#000000',
  },
}

SCSS

$custom: #646a4e;
$custom-light: #90947f;
$custom-dark: #000000;

JSON

{
  "hex": "#646a4e",
  "rgb": {
    "r": 100,
    "g": 106,
    "b": 78
  },
  "hsl": {
    "h": 72.857,
    "s": 15.217,
    "l": 36.078
  },
  "oklch": {
    "l": 0.51114,
    "c": 0.04287,
    "h": 117.8
  },
  "luminance": 0.13567
}

Semantic roles & 50–950 ramp

primary

#646A4E

secondary

#837D96

accent

#70B87F

background

#F8F9F7

surface

#F0F1EE

border

#CBCBC9

text

#0C0D0A

muted

#7D7E7C

Preview Lab

Preview with #646A4E

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

Preview Lab → · Contrast checker → · Palette generator →