#4FA61C#4FA61C

#4FA61C is a light, vivid yellow-green. Relative luminance 0.290; OKLCH L 64.6% C 0.185 H 137.2°. Best body text is #000000 at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#4FA61C
RGB	rgb(79, 166, 28)
HSL	hsl(98, 71%, 38%)
HSV	hsv(98, 83%, 65%)
CMYK	cmyk(52.4%, 0%, 83.1%, 34.9%)
CIE-LAB	lab(60.80, -48.92, 57.16)
CIE-LCH	lch(60.80, 75.24, 130.56°)
OKLab	oklab(64.59% -0.1359 0.1259)
OKLCH	oklch(64.59% 0.185 137.2)
XYZ	xyz(17.0697, 29.0173, 5.7998)
Luminance	0.2902 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FA61C #731CA6

analogous

#94A61C #4FA61C #1CA62E

triadic

#4FA61C #1C4FA6 #A61C4F

tetradic

#4FA61C #1C94A6 #731CA6 #A62E1C

square

#4FA61C #1C94A6 #731CA6 #A62E1C

split-complementary

#4FA61C #2E1CA6 #A61C94

monochromatic

#1D3D0A #367213 #4FA61C #68DA25 #8CE359

Accessibility & contrast

On white

3.09

#4FA61C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.80

#4FA61C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4FA61C

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FA61C	#FFFFFF	#000000	##000000
##4FA61C	1.00	3.09	6.80	6.80
#FFFFFF	3.09	1.00	21.00	21.00
#000000	6.80	21.00	1.00	1.00
##000000	6.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AC9700

Deuteranopia (green-blind)

#A1902D

Tritanopia (blue-blind)

#49A08D

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #4fa61c;
/* rgb */ color: rgb(79, 166, 28);
/* oklch */ color: oklch(64.6% 0.185 137.2);

Tailwind

colors: {
  custom: {
    50: '#8ac166',
    500: '#4fa61c',
    950: '#000000',
  },
}

SCSS

$custom: #4fa61c;
$custom-light: #8ac166;
$custom-dark: #000000;

JSON

{
  "hex": "#4fa61c",
  "rgb": {
    "r": 79,
    "g": 166,
    "b": 28
  },
  "hsl": {
    "h": 97.826,
    "s": 71.134,
    "l": 38.039
  },
  "oklch": {
    "l": 0.64586,
    "c": 0.18524,
    "h": 137.2
  },
  "luminance": 0.29019
}

Semantic roles & 50–950 ramp

primary

#4FA61C

secondary

#9D57C7

accent

#3AEEAB

background

#F8FBF6

surface

#F0F7EB

border

#CBD0C6

text

#0D1206

muted

#7D817A

Preview Lab

Preview with #4FA61C

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

Preview Lab → · Contrast checker → · Palette generator →