#4B8318#4B8318

#4B8318 is a mid, vivid yellow-green. Relative luminance 0.178; OKLCH L 55.0% C 0.147 H 134.0°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#4B8318
RGB	rgb(75, 131, 24)
HSL	hsl(91, 69%, 30%)
HSV	hsv(91, 82%, 51%)
CMYK	cmyk(42.7%, 0%, 81.7%, 48.6%)
CIE-LAB	lab(49.24, -36.23, 47.66)
CIE-LCH	lch(49.24, 59.86, 127.24°)
OKLab	oklab(55.04% -0.1018 0.1054)
OKLCH	oklch(55.04% 0.147 134)
XYZ	xyz(11.1826, 17.7938, 3.7093)
Luminance	0.1779 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B8318 #501883

analogous

#808318 #4B8318 #18831B

triadic

#4B8318 #184B83 #83184B

tetradic

#4B8318 #188083 #501883 #831B18

square

#4B8318 #188083 #501883 #831B18

split-complementary

#4B8318 #1B1883 #831880

monochromatic

#101C05 #2D4F0F #4B8318 #69B721 #87DB3A

Accessibility & contrast

On white

4.61

#4B8318 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#4B8318 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4B8318

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B8318	#FFFFFF	#000000	##FFFFFF
##4B8318	1.00	4.61	4.56	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#887800

Deuteranopia (green-blind)

#817324

Tritanopia (blue-blind)

#4A7E6F

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4b8318;
/* rgb */ color: rgb(75, 131, 24);
/* oklch */ color: oklch(55.0% 0.147 134.0);

Tailwind

colors: {
  custom: {
    50: '#83a75f',
    500: '#4b8318',
    950: '#000000',
  },
}

SCSS

$custom: #4b8318;
$custom-light: #83a75f;
$custom-dark: #000000;

JSON

{
  "hex": "#4b8318",
  "rgb": {
    "r": 75,
    "g": 131,
    "b": 24
  },
  "hsl": {
    "h": 91.402,
    "s": 69.032,
    "l": 30.392
  },
  "oklch": {
    "l": 0.55036,
    "c": 0.14651,
    "h": 134
  },
  "luminance": 0.17794
}

Semantic roles & 50–950 ramp

primary

#4B8318

secondary

#7E40B7

accent

#3CEC98

background

#F8FAF5

surface

#EFF4EA

border

#CACEC6

text

#0B0F05

muted

#7C7F79

Preview Lab

Preview with #4B8318

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

Preview Lab → · Contrast checker → · Palette generator →