#42891B#42891B

#42891B is a mid, vivid yellow-green. Relative luminance 0.191; OKLCH L 56.2% C 0.157 H 137.2°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#42891B
RGB	rgb(66, 137, 27)
HSL	hsl(99, 67%, 32%)
HSV	hsv(99, 80%, 54%)
CMYK	cmyk(51.8%, 0%, 80.3%, 46.3%)
CIE-LAB	lab(50.84, -41.58, 48.04)
CIE-LCH	lch(50.84, 63.54, 130.88°)
OKLab	oklab(56.24% -0.1154 0.1068)
OKLCH	oklch(56.24% 0.157 137.2)
XYZ	xyz(11.3899, 19.1279, 4.1286)
Luminance	0.1913 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42891B #621B89

analogous

#79891B #42891B #1B892B

triadic

#42891B #1B4289 #891B42

tetradic

#42891B #1B7989 #621B89 #892B1B

square

#42891B #1B7989 #621B89 #892B1B

split-complementary

#42891B #2B1B89 #891B79

monochromatic

#112307 #295611 #42891B #5BBC25 #79DA44

Accessibility & contrast

On white

4.35

#42891B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#42891B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #42891B

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42891B	#FFFFFF	#000000	##000000
##42891B	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E7D00

Deuteranopia (green-blind)

#857727

Tritanopia (blue-blind)

#3D8475

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #42891b;
/* rgb */ color: rgb(66, 137, 27);
/* oklch */ color: oklch(56.2% 0.157 137.2);

Tailwind

colors: {
  custom: {
    50: '#7eac61',
    500: '#42891b',
    950: '#000000',
  },
}

SCSS

$custom: #42891b;
$custom-light: #7eac61;
$custom-dark: #000000;

JSON

{
  "hex": "#42891b",
  "rgb": {
    "r": 66,
    "g": 137,
    "b": 27
  },
  "hsl": {
    "h": 98.727,
    "s": 67.073,
    "l": 32.157
  },
  "oklch": {
    "l": 0.56238,
    "c": 0.15724,
    "h": 137.2
  },
  "luminance": 0.19129
}

Semantic roles & 50–950 ramp

primary

#42891B

secondary

#9144BC

accent

#3EEAAD

background

#F8FAF6

surface

#EFF4EB

border

#CACEC6

text

#0B1005

muted

#7C7F7A

Preview Lab

Preview with #42891B

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

Preview Lab → · Contrast checker → · Palette generator →