#42851B#42851B

#42851B is a mid, vivid yellow-green. Relative luminance 0.180; OKLCH L 55.1% C 0.152 H 136.8°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#42851B
RGB	rgb(66, 133, 27)
HSL	hsl(98, 66%, 31%)
HSV	hsv(98, 80%, 52%)
CMYK	cmyk(50.4%, 0%, 79.7%, 47.8%)
CIE-LAB	lab(49.51, -39.96, 46.78)
CIE-LCH	lch(49.51, 61.52, 130.50°)
OKLab	oklab(55.15% -0.111 0.1042)
OKLCH	oklch(55.15% 0.152 136.8)
XYZ	xyz(10.8318, 18.0117, 3.9425)
Luminance	0.1801 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42851B #5E1B85

analogous

#77851B #42851B #1B8529

triadic

#42851B #1B4285 #851B42

tetradic

#42851B #1B7785 #5E1B85 #85291B

square

#42851B #1B7785 #5E1B85 #85291B

split-complementary

#42851B #291B85 #851B77

monochromatic

#101F06 #295211 #42851B #5BB825 #79D942

Accessibility & contrast

On white

4.56

#42851B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#42851B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #42851B

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42851B	#FFFFFF	#000000	##000000
##42851B	1.00	4.56	4.60	4.60
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A7900

Deuteranopia (green-blind)

#817427

Tritanopia (blue-blind)

#3E8071

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #42851b;
/* rgb */ color: rgb(66, 133, 27);
/* oklch */ color: oklch(55.1% 0.152 136.8);

Tailwind

colors: {
  custom: {
    50: '#7da960',
    500: '#42851b',
    950: '#000000',
  },
}

SCSS

$custom: #42851b;
$custom-light: #7da960;
$custom-dark: #000000;

JSON

{
  "hex": "#42851b",
  "rgb": {
    "r": 66,
    "g": 133,
    "b": 27
  },
  "hsl": {
    "h": 97.925,
    "s": 66.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.55147,
    "c": 0.15225,
    "h": 136.8
  },
  "luminance": 0.18012
}

Semantic roles & 50–950 ramp

primary

#42851B

secondary

#8D44B8

accent

#3FE9AA

background

#F8FAF5

surface

#EFF4EA

border

#CACEC6

text

#0A1005

muted

#7C7F79

Preview Lab

Preview with #42851B

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

Preview Lab → · Contrast checker → · Palette generator →