#4FA61F#4FA61F

#4FA61F is a light, vivid yellow-green. Relative luminance 0.290; OKLCH L 64.6% C 0.184 H 137.4°. Best body text is #000000 at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#4FA61F
RGB	rgb(79, 166, 31)
HSL	hsl(99, 69%, 39%)
HSV	hsv(99, 81%, 65%)
CMYK	cmyk(52.4%, 0%, 81.3%, 34.9%)
CIE-LAB	lab(60.81, -48.77, 56.33)
CIE-LCH	lch(60.81, 74.51, 130.89°)
OKLab	oklab(64.6% -0.1354 0.1246)
OKLCH	oklch(64.6% 0.184 137.4)
XYZ	xyz(17.1074, 29.0323, 5.9984)
Luminance	0.2903 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FA61F #761FA6

analogous

#92A61F #4FA61F #1FA633

triadic

#4FA61F #1F4FA6 #A61F4F

tetradic

#4FA61F #1F92A6 #761FA6 #A6331F

square

#4FA61F #1F92A6 #761FA6 #A6331F

split-complementary

#4FA61F #331FA6 #A61F92

monochromatic

#1E3F0C #367215 #4FA61F #68D72B #8DE15E

Accessibility & contrast

On white

3.09

#4FA61F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.81

#4FA61F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4FA61F

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FA61F	#FFFFFF	#000000	##000000
##4FA61F	1.00	3.09	6.81	6.81
#FFFFFF	3.09	1.00	21.00	21.00
#000000	6.81	21.00	1.00	1.00
##000000	6.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AC9700

Deuteranopia (green-blind)

#A0902F

Tritanopia (blue-blind)

#49A08D

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #4fa61f;
/* rgb */ color: rgb(79, 166, 31);
/* oklch */ color: oklch(64.6% 0.184 137.4);

Tailwind

colors: {
  custom: {
    50: '#8ac167',
    500: '#4fa61f',
    950: '#000000',
  },
}

SCSS

$custom: #4fa61f;
$custom-light: #8ac167;
$custom-dark: #000000;

JSON

{
  "hex": "#4fa61f",
  "rgb": {
    "r": 79,
    "g": 166,
    "b": 31
  },
  "hsl": {
    "h": 98.667,
    "s": 68.528,
    "l": 38.627
  },
  "oklch": {
    "l": 0.64601,
    "c": 0.18394,
    "h": 137.4
  },
  "luminance": 0.29034
}

Semantic roles & 50–950 ramp

primary

#4FA61F

secondary

#A05BC5

accent

#3CEBAD

background

#F8FBF6

surface

#F0F7EB

border

#CBD0C6

text

#0D1207

muted

#7D817A

Preview Lab

Preview with #4FA61F

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

Preview Lab → · Contrast checker → · Palette generator →