#4FB951#4FB951

#4FB951 is a light, vivid green. Relative luminance 0.370; OKLCH L 70.0% C 0.174 H 143.8°. Best body text is #000000 at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#4FB951
RGB	rgb(79, 185, 81)
HSL	hsl(121, 43%, 52%)
HSV	hsv(121, 57%, 73%)
CMYK	cmyk(57.3%, 0%, 56.2%, 27.5%)
CIE-LAB	lab(67.24, -51.54, 43.17)
CIE-LCH	lch(67.24, 67.23, 140.05°)
OKLab	oklab(70.03% -0.14 0.1026)
OKLCH	oklch(70.03% 0.174 143.8)
XYZ	xyz(22.0574, 36.9523, 13.7531)
Luminance	0.3695 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FB951 #B94FB7

analogous

#82B94F #4FB951 #4FB986

triadic

#4FB951 #514FB9 #B9514F

tetradic

#4FB951 #4F82B9 #B94FB7 #B9864F

square

#4FB951 #4F82B9 #B94FB7 #B9864F

split-complementary

#4FB951 #864FB9 #B94F82

monochromatic

#286529 #3A913B #4FB951 #7BCA7C #A7DCA8

Accessibility & contrast

On white

2.50

#4FB951 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.39

#4FB951 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4FB951

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FB951	#FFFFFF	#000000	##000000
##4FB951	1.00	2.50	8.39	8.39
#FFFFFF	2.50	1.00	21.00	21.00
#000000	8.39	21.00	1.00	1.00
##000000	8.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCA947

Deuteranopia (green-blind)

#AFA059

Tritanopia (blue-blind)

#3DB4A2

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #4fb951;
/* rgb */ color: rgb(79, 185, 81);
/* oklch */ color: oklch(70.0% 0.174 143.8);

Tailwind

colors: {
  custom: {
    50: '#8acf85',
    500: '#4fb951',
    950: '#000000',
  },
}

SCSS

$custom: #4fb951;
$custom-light: #8acf85;
$custom-dark: #000000;

JSON

{
  "hex": "#4fb951",
  "rgb": {
    "r": 79,
    "g": 185,
    "b": 81
  },
  "hsl": {
    "h": 121.132,
    "s": 43.089,
    "l": 51.765
  },
  "oklch": {
    "l": 0.70028,
    "c": 0.17353,
    "h": 143.8
  },
  "luminance": 0.36954
}

Semantic roles & 50–950 ramp

primary

#4FB951

secondary

#C99BC8

accent

#55D0D3

background

#F9FCF8

surface

#F1F9EF

border

#CBD2CA

text

#0D140B

muted

#7E827C

Preview Lab

Preview with #4FB951

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

Preview Lab → · Contrast checker → · Palette generator →