#42583C#42583C

#42583C is a dark, muted green. Relative luminance 0.085; OKLCH L 43.4% C 0.052 H 139.0°. Best body text is #FFFFFF at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#42583C
RGB	rgb(66, 88, 60)
HSL	hsl(107, 19%, 29%)
HSV	hsv(107, 32%, 35%)
CMYK	cmyk(25%, 0%, 31.8%, 65.5%)
CIE-LAB	lab(34.93, -14.52, 13.60)
CIE-LCH	lch(34.93, 19.89, 136.87°)
OKLab	oklab(43.39% -0.0395 0.0343)
OKLCH	oklch(43.39% 0.052 139)
XYZ	xyz(6.5519, 8.4638, 5.5626)
Luminance	0.0846 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42583C #523C58

analogous

#50583C #42583C #3C5844

triadic

#42583C #3C4258 #583C42

tetradic

#42583C #3C5058 #523C58 #58443C

square

#42583C #3C5058 #523C58 #58443C

split-complementary

#42583C #443C58 #583C50

monochromatic

#0E120C #273423 #42583C #5D7C55 #7A9E71

Accessibility & contrast

On white

7.80

#42583C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#42583C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42583C

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42583C	#FFFFFF	#000000	##FFFFFF
##42583C	1.00	7.80	2.69	7.80
#FFFFFF	7.80	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A533A

Deuteranopia (green-blind)

#56513D

Tritanopia (blue-blind)

#415651

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #42583c;
/* rgb */ color: rgb(66, 88, 60);
/* oklch */ color: oklch(43.4% 0.052 139.0);

Tailwind

colors: {
  custom: {
    50: '#778772',
    500: '#42583c',
    950: '#000000',
  },
}

SCSS

$custom: #42583c;
$custom-light: #778772;
$custom-dark: #000000;

JSON

{
  "hex": "#42583c",
  "rgb": {
    "r": 66,
    "g": 88,
    "b": 60
  },
  "hsl": {
    "h": 107.143,
    "s": 18.919,
    "l": 29.02
  },
  "oklch": {
    "l": 0.43392,
    "c": 0.05233,
    "h": 139
  },
  "luminance": 0.08464
}

Semantic roles & 50–950 ramp

primary

#42583C

secondary

#816888

accent

#6CBCAB

background

#F7F8F6

surface

#EDEFEC

border

#C8CAC7

text

#080B07

muted

#7B7C7A

Preview Lab

Preview with #42583C

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

Preview Lab → · Contrast checker → · Palette generator →