#4C901B#4C901B

#4C901B is a mid, vivid yellow-green. Relative luminance 0.216; OKLCH L 58.6% C 0.161 H 135.7°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#4C901B
RGB	rgb(76, 144, 27)
HSL	hsl(95, 68%, 34%)
HSV	hsv(95, 81%, 56%)
CMYK	cmyk(47.2%, 0%, 81.3%, 43.5%)
CIE-LAB	lab(53.56, -41.21, 50.75)
CIE-LCH	lch(53.56, 65.38, 129.08°)
OKLab	oklab(58.59% -0.1151 0.1123)
OKLCH	oklch(58.59% 0.161 135.7)
XYZ	xyz(13.1513, 21.5613, 4.5055)
Luminance	0.2156 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C901B #5F1B90

analogous

#86901B #4C901B #1B9024

triadic

#4C901B #1B4C90 #901B4C

tetradic

#4C901B #1B8690 #5F1B90 #90241B

square

#4C901B #1B8690 #5F1B90 #90241B

split-complementary

#4C901B #241B90 #901B86

monochromatic

#162908 #315C11 #4C901B #67C425 #87DD49

Accessibility & contrast

On white

3.95

#4C901B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#4C901B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C901B

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C901B	#FFFFFF	#000000	##000000
##4C901B	1.00	3.95	5.31	5.31
#FFFFFF	3.95	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)

#958300

Deuteranopia (green-blind)

#8C7E29

Tritanopia (blue-blind)

#498A7B

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #4c901b;
/* rgb */ color: rgb(76, 144, 27);
/* oklch */ color: oklch(58.6% 0.161 135.7);

Tailwind

colors: {
  custom: {
    50: '#85b162',
    500: '#4c901b',
    950: '#000000',
  },
}

SCSS

$custom: #4c901b;
$custom-light: #85b162;
$custom-dark: #000000;

JSON

{
  "hex": "#4c901b",
  "rgb": {
    "r": 76,
    "g": 144,
    "b": 27
  },
  "hsl": {
    "h": 94.872,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.58594,
    "c": 0.1608,
    "h": 135.7
  },
  "luminance": 0.21562
}

Semantic roles & 50–950 ramp

primary

#4C901B

secondary

#8D48BF

accent

#3DEBA2

background

#F8FAF6

surface

#F0F5EB

border

#CBCFC6

text

#0C1106

muted

#7D807A

Preview Lab

Preview with #4C901B

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

Preview Lab → · Contrast checker → · Palette generator →