#42591A#42591A

#42591A is a dark, moderate yellow-green. Relative luminance 0.084; OKLCH L 43.1% C 0.093 H 127.1°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#42591A
RGB	rgb(66, 89, 26)
HSL	hsl(82, 55%, 23%)
HSV	hsv(82, 71%, 35%)
CMYK	cmyk(25.8%, 0%, 70.8%, 65.1%)
CIE-LAB	lab(34.76, -19.63, 32.40)
CIE-LCH	lch(34.76, 37.89, 121.21°)
OKLab	oklab(43.09% -0.056 0.0739)
OKLCH	oklch(43.09% 0.093 127.1)
XYZ	xyz(6.0056, 8.3775, 2.2777)
Luminance	0.0838 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42591A #311A59

analogous

#59511A #42591A #22591A

triadic

#42591A #1A4259 #591A42

tetradic

#42591A #1A5951 #311A59 #591A22

square

#42591A #1A5951 #311A59 #591A22

split-complementary

#42591A #1A2259 #511A59

monochromatic

#121807 #1F2A0C #42591A #658828 #88B836

Accessibility & contrast

On white

7.85

#42591A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#42591A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42591A

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42591A	#FFFFFF	#000000	##FFFFFF
##42591A	1.00	7.85	2.68	7.85
#FFFFFF	7.85	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5312

Deuteranopia (green-blind)

#5B511F

Tritanopia (blue-blind)

#45554C

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #42591a;
/* rgb */ color: rgb(66, 89, 26);
/* oklch */ color: oklch(43.1% 0.093 127.1);

Tailwind

colors: {
  custom: {
    50: '#79885a',
    500: '#42591a',
    950: '#000000',
  },
}

SCSS

$custom: #42591a;
$custom-light: #79885a;
$custom-dark: #000000;

JSON

{
  "hex": "#42591a",
  "rgb": {
    "r": 66,
    "g": 89,
    "b": 26
  },
  "hsl": {
    "h": 81.905,
    "s": 54.783,
    "l": 22.549
  },
  "oklch": {
    "l": 0.43087,
    "c": 0.09269,
    "h": 127.1
  },
  "luminance": 0.08378
}

Semantic roles & 50–950 ramp

primary

#42591A

secondary

#5D408F

accent

#4ADE80

background

#F7F8F5

surface

#EDEFE9

border

#C8CAC5

text

#090B04

muted

#7B7C79

Preview Lab

Preview with #42591A

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

Preview Lab → · Contrast checker → · Palette generator →