#42540D#42540D

#42540D is a dark, moderate yellow-green. Relative luminance 0.075; OKLCH L 41.6% C 0.095 H 123.4°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#42540D
RGB	rgb(66, 84, 13)
HSL	hsl(75, 73%, 19%)
HSV	hsv(75, 85%, 33%)
CMYK	cmyk(21.4%, 0%, 84.5%, 67.1%)
CIE-LAB	lab(32.98, -17.84, 36.03)
CIE-LCH	lch(32.98, 40.21, 116.34°)
OKLab	oklab(41.62% -0.0523 0.0792)
OKLCH	oklch(41.62% 0.095 123.4)
XYZ	xyz(5.4898, 7.5279, 1.5445)
Luminance	0.0753 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42540D #1F0D54

analogous

#54430D #42540D #1F540D

triadic

#42540D #0D4254 #540D42

tetradic

#42540D #0D5443 #1F0D54 #540D1F

square

#42540D #0D5443 #1F0D54 #540D1F

split-complementary

#42540D #0D1F54 #430D54

monochromatic

#151A04 #181F05 #42540D #6C8915 #95BE1D

Accessibility & contrast

On white

8.38

#42540D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#42540D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42540D

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42540D	#FFFFFF	#000000	##FFFFFF
##42540D	1.00	8.38	2.51	8.38
#FFFFFF	8.38	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594E00

Deuteranopia (green-blind)

#574D14

Tritanopia (blue-blind)

#464F47

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #42540d;
/* rgb */ color: rgb(66, 84, 13);
/* oklch */ color: oklch(41.6% 0.095 123.4);

Tailwind

colors: {
  custom: {
    50: '#798453',
    500: '#42540d',
    950: '#000000',
  },
}

SCSS

$custom: #42540d;
$custom-light: #798453;
$custom-dark: #000000;

JSON

{
  "hex": "#42540d",
  "rgb": {
    "r": 66,
    "g": 84,
    "b": 13
  },
  "hsl": {
    "h": 75.211,
    "s": 73.196,
    "l": 19.02
  },
  "oklch": {
    "l": 0.41618,
    "c": 0.09493,
    "h": 123.4
  },
  "luminance": 0.07528
}

Semantic roles & 50–950 ramp

primary

#42540D

secondary

#472E8F

accent

#38F067

background

#F7F8F4

surface

#EEEFE7

border

#C9CAC3

text

#090A03

muted

#7B7C78

Preview Lab

Preview with #42540D

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

Preview Lab → · Contrast checker → · Palette generator →