#4D901B#4D901B

#4D901B is a mid, vivid yellow-green. Relative luminance 0.216; OKLCH L 58.6% C 0.160 H 135.5°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#4D901B
RGB	rgb(77, 144, 27)
HSL	hsl(94, 68%, 34%)
HSV	hsv(94, 81%, 56%)
CMYK	cmyk(46.5%, 0%, 81.3%, 43.5%)
CIE-LAB	lab(53.60, -40.88, 50.81)
CIE-LCH	lch(53.60, 65.21, 128.82°)
OKLab	oklab(58.64% -0.1143 0.1124)
OKLCH	oklch(58.64% 0.16 135.5)
XYZ	xyz(13.2313, 21.6026, 4.5092)
Luminance	0.2160 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D901B #5E1B90

analogous

#87901B #4D901B #1B9023

triadic

#4D901B #1B4D90 #901B4D

tetradic

#4D901B #1B8790 #5E1B90 #90231B

square

#4D901B #1B8790 #5E1B90 #90231B

split-complementary

#4D901B #231B90 #901B87

monochromatic

#162908 #315C11 #4D901B #69C425 #88DD49

Accessibility & contrast

On white

3.95

#4D901B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#4D901B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D901B

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D901B	#FFFFFF	#000000	##000000
##4D901B	1.00	3.95	5.32	5.32
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.32	21.00	1.00	1.00
##000000	5.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#958400

Deuteranopia (green-blind)

#8D7E29

Tritanopia (blue-blind)

#4B8A7B

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #4d901b;
/* rgb */ color: rgb(77, 144, 27);
/* oklch */ color: oklch(58.6% 0.160 135.5);

Tailwind

colors: {
  custom: {
    50: '#85b162',
    500: '#4d901b',
    950: '#000000',
  },
}

SCSS

$custom: #4d901b;
$custom-light: #85b162;
$custom-dark: #000000;

JSON

{
  "hex": "#4d901b",
  "rgb": {
    "r": 77,
    "g": 144,
    "b": 27
  },
  "hsl": {
    "h": 94.359,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.58642,
    "c": 0.16029,
    "h": 135.5
  },
  "luminance": 0.21603
}

Semantic roles & 50–950 ramp

primary

#4D901B

secondary

#8C48BF

accent

#3DEBA1

background

#F8FAF6

surface

#F0F5EB

border

#CBCFC6

text

#0C1106

muted

#7D807A

Preview Lab

Preview with #4D901B

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

Preview Lab → · Contrast checker → · Palette generator →