#42510F#42510F

#42510F is a dark, moderate yellow-green. Relative luminance 0.071; OKLCH L 40.8% C 0.090 H 121.9°. Best body text is #FFFFFF at 8.69:1 contrast (WCAG AA passes).

Color values

HEX	#42510F
RGB	rgb(66, 81, 15)
HSL	hsl(74, 69%, 19%)
HSV	hsv(74, 81%, 32%)
CMYK	cmyk(18.5%, 0%, 81.5%, 68.2%)
CIE-LAB	lab(31.98, -16.10, 34.36)
CIE-LCH	lch(31.98, 37.95, 115.10°)
OKLab	oklab(40.82% -0.0473 0.0761)
OKLCH	oklch(40.82% 0.09 121.9)
XYZ	xyz(5.2755, 7.0776, 1.5400)
Luminance	0.0708 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42510F #1E0F51

analogous

#513F0F #42510F #21510F

triadic

#42510F #0F4251 #510F42

tetradic

#42510F #0F513F #1E0F51 #510F21

square

#42510F #0F513F #1E0F51 #510F21

split-complementary

#42510F #0F2151 #3F0F51

monochromatic

#151A05 #181D05 #42510F #6C8519 #96B822

Accessibility & contrast

On white

8.69

#42510F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#42510F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42510F

8.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42510F	#FFFFFF	#000000	##FFFFFF
##42510F	1.00	8.69	2.42	8.69
#FFFFFF	8.69	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564C03

Deuteranopia (green-blind)

#544B15

Tritanopia (blue-blind)

#464C44

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #42510f;
/* rgb */ color: rgb(66, 81, 15);
/* oklch */ color: oklch(40.8% 0.090 121.9);

Tailwind

colors: {
  custom: {
    50: '#798153',
    500: '#42510f',
    950: '#000000',
  },
}

SCSS

$custom: #42510f;
$custom-light: #798153;
$custom-dark: #000000;

JSON

{
  "hex": "#42510f",
  "rgb": {
    "r": 66,
    "g": 81,
    "b": 15
  },
  "hsl": {
    "h": 73.636,
    "s": 68.75,
    "l": 18.824
  },
  "oklch": {
    "l": 0.40816,
    "c": 0.0896,
    "h": 121.9
  },
  "luminance": 0.07078
}

Semantic roles & 50–950 ramp

primary

#42510F

secondary

#45318B

accent

#3CEC64

background

#F7F7F4

surface

#EEEEE7

border

#C9C9C3

text

#090A03

muted

#7B7C78

Preview Lab

Preview with #42510F

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

Preview Lab → · Contrast checker → · Palette generator →