#42570F#42570F

#42570F is a dark, moderate yellow-green. Relative luminance 0.080; OKLCH L 42.4% C 0.098 H 125.1°. Best body text is #FFFFFF at 8.07:1 contrast (WCAG AA passes).

Color values

HEX	#42570F
RGB	rgb(66, 87, 15)
HSL	hsl(78, 71%, 20%)
HSV	hsv(78, 83%, 34%)
CMYK	cmyk(24.1%, 0%, 82.8%, 65.9%)
CIE-LAB	lab(34.00, -19.34, 36.27)
CIE-LCH	lch(34.00, 41.10, 118.07°)
OKLab	oklab(42.45% -0.0562 0.0801)
OKLCH	oklch(42.45% 0.098 125.1)
XYZ	xyz(5.7412, 8.0091, 1.6953)
Luminance	0.0801 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42570F #240F57

analogous

#57480F #42570F #1E570F

triadic

#42570F #0F4257 #570F42

tetradic

#42570F #0F5748 #240F57 #570F1E

square

#42570F #0F5748 #240F57 #570F1E

split-complementary

#42570F #0F1E57 #480F57

monochromatic

#141A05 #1A2306 #42570F #6A8B18 #91BF21

Accessibility & contrast

On white

8.07

#42570F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#42570F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42570F

8.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42570F	#FFFFFF	#000000	##FFFFFF
##42570F	1.00	8.07	2.60	8.07
#FFFFFF	8.07	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5101

Deuteranopia (green-blind)

#595016

Tritanopia (blue-blind)

#45524A

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #42570f;
/* rgb */ color: rgb(66, 87, 15);
/* oklch */ color: oklch(42.4% 0.098 125.1);

Tailwind

colors: {
  custom: {
    50: '#798654',
    500: '#42570f',
    950: '#000000',
  },
}

SCSS

$custom: #42570f;
$custom-light: #798654;
$custom-dark: #000000;

JSON

{
  "hex": "#42570f",
  "rgb": {
    "r": 66,
    "g": 87,
    "b": 15
  },
  "hsl": {
    "h": 77.5,
    "s": 70.588,
    "l": 20
  },
  "oklch": {
    "l": 0.42449,
    "c": 0.09786,
    "h": 125.1
  },
  "luminance": 0.08009
}

Semantic roles & 50–950 ramp

primary

#42570F

secondary

#4D3191

accent

#3AED6F

background

#F7F8F5

surface

#EEEFE9

border

#C9CAC5

text

#090B03

muted

#7B7C78

Preview Lab

Preview with #42570F

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

Preview Lab → · Contrast checker → · Palette generator →