#42801C#42801C

#42801C is a mid, vivid yellow-green. Relative luminance 0.167; OKLCH L 53.8% C 0.145 H 136.4°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#42801C
RGB	rgb(66, 128, 28)
HSL	hsl(97, 64%, 31%)
HSV	hsv(97, 78%, 50%)
CMYK	cmyk(48.4%, 0%, 78.1%, 49.8%)
CIE-LAB	lab(47.85, -37.82, 44.84)
CIE-LCH	lch(47.85, 58.66, 130.15°)
OKLab	oklab(53.79% -0.1052 0.1003)
OKLCH	oklch(53.79% 0.145 136.4)
XYZ	xyz(10.1753, 16.6798, 3.7817)
Luminance	0.1668 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42801C #5A1C80

analogous

#74801C #42801C #1C8028

triadic

#42801C #1C4280 #801C42

tetradic

#42801C #1C7480 #5A1C80 #80281C

square

#42801C #1C7480 #5A1C80 #80281C

split-complementary

#42801C #281C80 #801C74

monochromatic

#0E1C06 #284E11 #42801C #5CB227 #79D541

Accessibility & contrast

On white

4.84

#42801C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#42801C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #42801C

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42801C	#FFFFFF	#000000	##FFFFFF
##42801C	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#857505

Deuteranopia (green-blind)

#7C7027

Tritanopia (blue-blind)

#3F7B6D

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #42801c;
/* rgb */ color: rgb(66, 128, 28);
/* oklch */ color: oklch(53.8% 0.145 136.4);

Tailwind

colors: {
  custom: {
    50: '#7da560',
    500: '#42801c',
    950: '#000000',
  },
}

SCSS

$custom: #42801c;
$custom-light: #7da560;
$custom-dark: #000000;

JSON

{
  "hex": "#42801c",
  "rgb": {
    "r": 66,
    "g": 128,
    "b": 28
  },
  "hsl": {
    "h": 97.2,
    "s": 64.103,
    "l": 30.588
  },
  "oklch": {
    "l": 0.53787,
    "c": 0.14534,
    "h": 136.4
  },
  "luminance": 0.1668
}

Semantic roles & 50–950 ramp

primary

#42801C

secondary

#8944B3

accent

#41E7A8

background

#F7FAF5

surface

#EEF4EA

border

#C9CEC6

text

#0A0F05

muted

#7C7F79

Preview Lab

Preview with #42801C

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

Preview Lab → · Contrast checker → · Palette generator →