#4B901F#4B901F

#4B901F is a mid, vivid yellow-green. Relative luminance 0.215; OKLCH L 58.6% C 0.159 H 136.2°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#4B901F
RGB	rgb(75, 144, 31)
HSL	hsl(97, 65%, 34%)
HSV	hsv(97, 78%, 56%)
CMYK	cmyk(47.9%, 0%, 78.5%, 43.5%)
CIE-LAB	lab(53.54, -41.31, 49.42)
CIE-LCH	lch(53.54, 64.41, 129.89°)
OKLab	oklab(58.57% -0.115 0.1102)
OKLCH	oklch(58.57% 0.159 136.2)
XYZ	xyz(13.1219, 21.5404, 4.7623)
Luminance	0.2154 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B901F #641F90

analogous

#84901F #4B901F #1F902C

triadic

#4B901F #1F4B90 #901F4B

tetradic

#4B901F #1F8490 #641F90 #902C1F

square

#4B901F #1F8490 #641F90 #902C1F

split-complementary

#4B901F #2C1F90 #901F84

monochromatic

#172B09 #315E14 #4B901F #65C22A #86D950

Accessibility & contrast

On white

3.96

#4B901F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#4B901F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B901F

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B901F	#FFFFFF	#000000	##000000
##4B901F	1.00	3.96	5.31	5.31
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.31	21.00	1.00	1.00
##000000	5.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#958302

Deuteranopia (green-blind)

#8C7E2B

Tritanopia (blue-blind)

#488A7B

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #4b901f;
/* rgb */ color: rgb(75, 144, 31);
/* oklch */ color: oklch(58.6% 0.159 136.2);

Tailwind

colors: {
  custom: {
    50: '#84b164',
    500: '#4b901f',
    950: '#000000',
  },
}

SCSS

$custom: #4b901f;
$custom-light: #84b164;
$custom-dark: #000000;

JSON

{
  "hex": "#4b901f",
  "rgb": {
    "r": 75,
    "g": 144,
    "b": 31
  },
  "hsl": {
    "h": 96.637,
    "s": 64.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.5857,
    "c": 0.15926,
    "h": 136.2
  },
  "luminance": 0.21541
}

Semantic roles & 50–950 ramp

primary

#4B901F

secondary

#924EBC

accent

#40E8A6

background

#F8FAF6

surface

#F0F5EB

border

#CBCFC6

text

#0B1106

muted

#7C807A

Preview Lab

Preview with #4B901F

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

Preview Lab → · Contrast checker → · Palette generator →