#42580D#42580D

#42580D is a dark, moderate yellow-green. Relative luminance 0.082; OKLCH L 42.7% C 0.100 H 125.4°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#42580D
RGB	rgb(66, 88, 13)
HSL	hsl(78, 74%, 20%)
HSV	hsv(78, 85%, 35%)
CMYK	cmyk(25%, 0%, 85.2%, 65.5%)
CIE-LAB	lab(34.33, -19.98, 37.27)
CIE-LCH	lch(34.33, 42.29, 118.19°)
OKLab	oklab(42.71% -0.0581 0.0818)
OKLCH	oklch(42.71% 0.1 125.4)
XYZ	xyz(5.8092, 8.1667, 1.6510)
Luminance	0.0817 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42580D #230D58

analogous

#58490D #42580D #1D580D

triadic

#42580D #0D4258 #580D42

tetradic

#42580D #0D5849 #230D58 #580D1D

square

#42580D #0D5849 #230D58 #580D1D

split-complementary

#42580D #0D1D58 #490D58

monochromatic

#141B04 #1A2305 #42580D #6A8D15 #92C31D

Accessibility & contrast

On white

7.97

#42580D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#42580D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42580D

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42580D	#FFFFFF	#000000	##FFFFFF
##42580D	1.00	7.97	2.63	7.97
#FFFFFF	7.97	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5200

Deuteranopia (green-blind)

#5A5015

Tritanopia (blue-blind)

#45534A

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #42580d;
/* rgb */ color: rgb(66, 88, 13);
/* oklch */ color: oklch(42.7% 0.100 125.4);

Tailwind

colors: {
  custom: {
    50: '#798753',
    500: '#42580d',
    950: '#000000',
  },
}

SCSS

$custom: #42580d;
$custom-light: #798753;
$custom-dark: #000000;

JSON

{
  "hex": "#42580d",
  "rgb": {
    "r": 66,
    "g": 88,
    "b": 13
  },
  "hsl": {
    "h": 77.6,
    "s": 74.257,
    "l": 19.804
  },
  "oklch": {
    "l": 0.42709,
    "c": 0.10037,
    "h": 125.4
  },
  "luminance": 0.08167
}

Semantic roles & 50–950 ramp

primary

#42580D

secondary

#4C2E93

accent

#37F16D

background

#F7F8F5

surface

#EEEFE8

border

#C9CAC4

text

#090B03

muted

#7B7C78

Preview Lab

Preview with #42580D

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

Preview Lab → · Contrast checker → · Palette generator →