#4C9D1B#4C9D1B

#4C9D1B is a light, vivid yellow-green. Relative luminance 0.257; OKLCH L 62.1% C 0.177 H 137.0°. Best body text is #000000 at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#4C9D1B
RGB	rgb(76, 157, 27)
HSL	hsl(97, 71%, 36%)
HSV	hsv(97, 83%, 62%)
CMYK	cmyk(51.6%, 0%, 82.8%, 38.4%)
CIE-LAB	lab(57.78, -46.41, 54.64)
CIE-LCH	lch(57.78, 71.69, 130.34°)
OKLab	oklab(62.07% -0.129 0.1205)
OKLCH	oklch(62.07% 0.177 137)
XYZ	xyz(15.2348, 25.7285, 5.2000)
Luminance	0.2573 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C9D1B #6C1B9D

analogous

#8D9D1B #4C9D1B #1B9D2B

triadic

#4C9D1B #1B4C9D #9D1B4C

tetradic

#4C9D1B #1B8D9D #6C1B9D #9D2B1B

square

#4C9D1B #1B8D9D #6C1B9D #9D2B1B

split-complementary

#4C9D1B #2B1B9D #9D1B8D

monochromatic

#193509 #336912 #4C9D1B #65D124 #87E151

Accessibility & contrast

On white

3.42

#4C9D1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.15

#4C9D1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C9D1B

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C9D1B	#FFFFFF	#000000	##000000
##4C9D1B	1.00	3.42	6.15	6.15
#FFFFFF	3.42	1.00	21.00	21.00
#000000	6.15	21.00	1.00	1.00
##000000	6.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A28F00

Deuteranopia (green-blind)

#98882B

Tritanopia (blue-blind)

#479786

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #4c9d1b;
/* rgb */ color: rgb(76, 157, 27);
/* oklch */ color: oklch(62.1% 0.177 137.0);

Tailwind

colors: {
  custom: {
    50: '#87bb64',
    500: '#4c9d1b',
    950: '#000000',
  },
}

SCSS

$custom: #4c9d1b;
$custom-light: #87bb64;
$custom-dark: #000000;

JSON

{
  "hex": "#4c9d1b",
  "rgb": {
    "r": 76,
    "g": 157,
    "b": 27
  },
  "hsl": {
    "h": 97.385,
    "s": 70.652,
    "l": 36.078
  },
  "oklch": {
    "l": 0.62065,
    "c": 0.17653,
    "h": 137
  },
  "luminance": 0.2573
}

Semantic roles & 50–950 ramp

primary

#4C9D1B

secondary

#9850C4

accent

#3AEDAA

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1206

muted

#7D817A

Preview Lab

Preview with #4C9D1B

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

Preview Lab → · Contrast checker → · Palette generator →