#51CF4B#51CF4B

#51CF4B is a light, highly saturated green. Relative luminance 0.469; OKLCH L 75.7% C 0.205 H 142.5°. Best body text is #000000 at 10.38:1 contrast (WCAG AA passes).

Color values

HEX	#51CF4B
RGB	rgb(81, 207, 75)
HSL	hsl(117, 58%, 55%)
HSV	hsv(117, 64%, 81%)
CMYK	cmyk(60.9%, 0%, 63.8%, 18.8%)
CIE-LAB	lab(74.11, -59.84, 53.75)
CIE-LCH	lch(74.11, 80.43, 138.07°)
OKLab	oklab(75.69% -0.1628 0.1248)
OKLCH	oklch(75.69% 0.205 142.5)
XYZ	xyz(26.9747, 46.8804, 14.2825)
Luminance	0.4688 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CF4B #C94BCF

analogous

#93CF4B #51CF4B #4BCF87

triadic

#51CF4B #4B51CF #CF4B51

tetradic

#51CF4B #4B93CF #C94BCF #CF874B

square

#51CF4B #4B93CF #C94BCF #CF874B

split-complementary

#51CF4B #874BCF #CF4B93

monochromatic

#267E22 #34AE2E #51CF4B #80DC7B #AEE9AC

Accessibility & contrast

On white

2.02

#51CF4B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.38

#51CF4B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CF4B

10.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CF4B	#FFFFFF	#000000	##000000
##51CF4B	1.00	2.02	10.38	10.38
#FFFFFF	2.02	1.00	21.00	21.00
#000000	10.38	21.00	1.00	1.00
##000000	10.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4BD3B

Deuteranopia (green-blind)

#C4B256

Tritanopia (blue-blind)

#3AC9B3

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #51cf4b;
/* rgb */ color: rgb(81, 207, 75);
/* oklch */ color: oklch(75.7% 0.205 142.5);

Tailwind

colors: {
  custom: {
    50: '#8fdf83',
    500: '#51cf4b',
    950: '#000000',
  },
}

SCSS

$custom: #51cf4b;
$custom-light: #8fdf83;
$custom-dark: #000000;

JSON

{
  "hex": "#51cf4b",
  "rgb": {
    "r": 81,
    "g": 207,
    "b": 75
  },
  "hsl": {
    "h": 117.273,
    "s": 57.895,
    "l": 55.294
  },
  "oklch": {
    "l": 0.75693,
    "c": 0.20515,
    "h": 142.5
  },
  "luminance": 0.46883
}

Semantic roles & 50–950 ramp

primary

#51CF4B

secondary

#D49FD6

accent

#47E1DA

background

#F9FDF8

surface

#F2FBEF

border

#CCD4CA

text

#0E150B

muted

#7E837C

Preview Lab

Preview with #51CF4B

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

Preview Lab → · Contrast checker → · Palette generator →