#4B8018#4B8018

#4B8018 is a mid, vivid yellow-green. Relative luminance 0.170; OKLCH L 54.2% C 0.143 H 133.5°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#4B8018
RGB	rgb(75, 128, 24)
HSL	hsl(91, 68%, 30%)
HSV	hsv(91, 81%, 50%)
CMYK	cmyk(41.4%, 0%, 81.3%, 49.8%)
CIE-LAB	lab(48.26, -34.91, 46.74)
CIE-LCH	lch(48.26, 58.34, 126.76°)
OKLab	oklab(54.23% -0.0983 0.1034)
OKLCH	oklch(54.23% 0.143 133.5)
XYZ	xyz(10.7855, 16.9996, 3.5769)
Luminance	0.1700 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B8018 #4D1880

analogous

#7F8018 #4B8018 #188019

triadic

#4B8018 #184B80 #80184B

tetradic

#4B8018 #187F80 #4D1880 #801918

square

#4B8018 #187F80 #4D1880 #801918

split-complementary

#4B8018 #191880 #80187F

monochromatic

#0F1A05 #2D4C0E #4B8018 #69B422 #88DA39

Accessibility & contrast

On white

4.77

#4B8018 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#4B8018 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B8018

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B8018	#FFFFFF	#000000	##FFFFFF
##4B8018	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#857500

Deuteranopia (green-blind)

#7E7124

Tritanopia (blue-blind)

#4B7B6D

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4b8018;
/* rgb */ color: rgb(75, 128, 24);
/* oklch */ color: oklch(54.2% 0.143 133.5);

Tailwind

colors: {
  custom: {
    50: '#82a55f',
    500: '#4b8018',
    950: '#000000',
  },
}

SCSS

$custom: #4b8018;
$custom-light: #82a55f;
$custom-dark: #000000;

JSON

{
  "hex": "#4b8018",
  "rgb": {
    "r": 75,
    "g": 128,
    "b": 24
  },
  "hsl": {
    "h": 90.577,
    "s": 68.421,
    "l": 29.804
  },
  "oklch": {
    "l": 0.54229,
    "c": 0.14268,
    "h": 133.5
  },
  "luminance": 0.17
}

Semantic roles & 50–950 ramp

primary

#4B8018

secondary

#7B40B4

accent

#3DEB96

background

#F8FAF5

surface

#EFF4EA

border

#CACEC6

text

#0B0F05

muted

#7C7F79

Preview Lab

Preview with #4B8018

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

Preview Lab → · Contrast checker → · Palette generator →