#4FB551#4FB551

#4FB551 is a light, vivid green. Relative luminance 0.353; OKLCH L 69.0% C 0.168 H 143.8°. Best body text is #000000 at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#4FB551
RGB	rgb(79, 181, 81)
HSL	hsl(121, 41%, 51%)
HSV	hsv(121, 56%, 71%)
CMYK	cmyk(56.4%, 0%, 55.2%, 29%)
CIE-LAB	lab(65.98, -49.99, 41.68)
CIE-LCH	lch(65.98, 65.09, 140.19°)
OKLab	oklab(68.99% -0.1358 0.0993)
OKLCH	oklch(68.99% 0.168 143.8)
XYZ	xyz(21.2323, 35.3022, 13.4781)
Luminance	0.3530 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FB551 #B54FB3

analogous

#80B54F #4FB551 #4FB584

triadic

#4FB551 #514FB5 #B5514F

tetradic

#4FB551 #4F80B5 #B54FB3 #B5844F

square

#4FB551 #4F80B5 #B54FB3 #B5844F

split-complementary

#4FB551 #844FB5 #B54F80

monochromatic

#29612A #3B8C3C #4FB551 #7AC77C #A5D9A6

Accessibility & contrast

On white

2.61

#4FB551 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.06

#4FB551 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4FB551

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FB551	#FFFFFF	#000000	##000000
##4FB551	1.00	2.61	8.06	8.06
#FFFFFF	2.61	1.00	21.00	21.00
#000000	8.06	21.00	1.00	1.00
##000000	8.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A648

Deuteranopia (green-blind)

#AB9D58

Tritanopia (blue-blind)

#3EB09F

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #4fb551;
/* rgb */ color: rgb(79, 181, 81);
/* oklch */ color: oklch(69.0% 0.168 143.8);

Tailwind

colors: {
  custom: {
    50: '#8acc84',
    500: '#4fb551',
    950: '#000000',
  },
}

SCSS

$custom: #4fb551;
$custom-light: #8acc84;
$custom-dark: #000000;

JSON

{
  "hex": "#4fb551",
  "rgb": {
    "r": 79,
    "g": 181,
    "b": 81
  },
  "hsl": {
    "h": 121.176,
    "s": 40.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.68992,
    "c": 0.16824,
    "h": 143.8
  },
  "luminance": 0.35304
}

Semantic roles & 50–950 ramp

primary

#4FB551

secondary

#C699C6

accent

#57CED1

background

#F8FCF8

surface

#F0F9EF

border

#CBD2CA

text

#0C130B

muted

#7D827C

Preview Lab

Preview with #4FB551

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

Preview Lab → · Contrast checker → · Palette generator →