#42591F#42591F

#42591F is a dark, moderate yellow-green. Relative luminance 0.084; OKLCH L 43.1% C 0.088 H 127.9°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#42591F
RGB	rgb(66, 89, 31)
HSL	hsl(84, 48%, 24%)
HSV	hsv(84, 65%, 35%)
CMYK	cmyk(25.8%, 0%, 65.2%, 65.1%)
CIE-LAB	lab(34.81, -19.17, 30.02)
CIE-LCH	lch(34.81, 35.62, 122.57°)
OKLab	oklab(43.14% -0.0542 0.0696)
OKLCH	oklch(43.14% 0.088 127.9)
XYZ	xyz(6.0665, 8.4018, 2.5982)
Luminance	0.0840 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42591F #361F59

analogous

#59531F #42591F #25591F

triadic

#42591F #1F4259 #591F42

tetradic

#42591F #1F5953 #361F59 #591F25

square

#42591F #1F5953 #361F59 #591F25

split-complementary

#42591F #1F2559 #531F59

monochromatic

#111708 #202C0F #42591F #64862F #85B43F

Accessibility & contrast

On white

7.83

#42591F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#42591F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42591F

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42591F	#FFFFFF	#000000	##FFFFFF
##42591F	1.00	7.83	2.68	7.83
#FFFFFF	7.83	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5318

Deuteranopia (green-blind)

#5A5123

Tritanopia (blue-blind)

#44554D

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #42591f;
/* rgb */ color: rgb(66, 89, 31);
/* oklch */ color: oklch(43.1% 0.088 127.9);

Tailwind

colors: {
  custom: {
    50: '#78885d',
    500: '#42591f',
    950: '#000000',
  },
}

SCSS

$custom: #42591f;
$custom-light: #78885d;
$custom-dark: #000000;

JSON

{
  "hex": "#42591f",
  "rgb": {
    "r": 66,
    "g": 89,
    "b": 31
  },
  "hsl": {
    "h": 83.793,
    "s": 48.333,
    "l": 23.529
  },
  "oklch": {
    "l": 0.43143,
    "c": 0.08817,
    "h": 127.9
  },
  "luminance": 0.08402
}

Semantic roles & 50–950 ramp

primary

#42591F

secondary

#62468E

accent

#50D886

background

#F7F8F5

surface

#EDEFE9

border

#C8CAC5

text

#090B04

muted

#7B7C79

Preview Lab

Preview with #42591F

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

Preview Lab → · Contrast checker → · Palette generator →