#42583A#42583A

#42583A is a dark, muted green. Relative luminance 0.084; OKLCH L 43.3% C 0.055 H 137.6°. Best body text is #FFFFFF at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#42583A
RGB	rgb(66, 88, 58)
HSL	hsl(104, 21%, 29%)
HSV	hsv(104, 34%, 35%)
CMYK	cmyk(25%, 0%, 34.1%, 65.5%)
CIE-LAB	lab(34.89, -14.88, 14.76)
CIE-LCH	lch(34.89, 20.96, 135.22°)
OKLab	oklab(43.35% -0.0405 0.0371)
OKLCH	oklch(43.35% 0.055 137.6)
XYZ	xyz(6.5000, 8.4430, 5.2894)
Luminance	0.0844 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42583A #503A58

analogous

#51583A #42583A #3A5841

triadic

#42583A #3A4258 #583A42

tetradic

#42583A #3A5158 #503A58 #58413A

square

#42583A #3A5158 #503A58 #58413A

split-complementary

#42583A #413A58 #583A51

monochromatic

#0E120C #263322 #42583A #5E7D52 #7B9F6D

Accessibility & contrast

On white

7.81

#42583A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#42583A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42583A

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42583A	#FFFFFF	#000000	##FFFFFF
##42583A	1.00	7.81	2.69	7.81
#FFFFFF	7.81	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5338

Deuteranopia (green-blind)

#57513C

Tritanopia (blue-blind)

#415650

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #42583a;
/* rgb */ color: rgb(66, 88, 58);
/* oklch */ color: oklch(43.3% 0.055 137.6);

Tailwind

colors: {
  custom: {
    50: '#778770',
    500: '#42583a',
    950: '#000000',
  },
}

SCSS

$custom: #42583a;
$custom-light: #778770;
$custom-dark: #000000;

JSON

{
  "hex": "#42583a",
  "rgb": {
    "r": 66,
    "g": 88,
    "b": 58
  },
  "hsl": {
    "h": 104,
    "s": 20.548,
    "l": 28.627
  },
  "oklch": {
    "l": 0.43345,
    "c": 0.05491,
    "h": 137.6
  },
  "luminance": 0.08443
}

Semantic roles & 50–950 ramp

primary

#42583A

secondary

#7F6688

accent

#6BBDA7

background

#F7F8F6

surface

#EDEFEC

border

#C8CAC7

text

#080B07

muted

#7B7C7A

Preview Lab

Preview with #42583A

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

Preview Lab → · Contrast checker → · Palette generator →