#51CF7B#51CF7B

#51CF7B is a light, vivid green. Relative luminance 0.478; OKLCH L 76.4% C 0.164 H 151.4°. Best body text is #000000 at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#51CF7B
RGB	rgb(81, 207, 123)
HSL	hsl(140, 57%, 56%)
HSV	hsv(140, 61%, 81%)
CMYK	cmyk(60.9%, 0%, 40.6%, 18.8%)
CIE-LAB	lab(74.70, -53.27, 31.64)
CIE-LCH	lch(74.70, 61.95, 149.29°)
OKLab	oklab(76.37% -0.144 0.0785)
OKLCH	oklch(76.37% 0.164 151.4)
XYZ	xyz(29.2790, 47.8022, 26.4188)
Luminance	0.4780 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CF7B #CF51A5

analogous

#66CF51 #51CF7B #51CFBA

triadic

#51CF7B #7B51CF #CF7B51

tetradic

#51CF7B #5166CF #CF51A5 #CFBA51

square

#51CF7B #5166CF #CF51A5 #CFBA51

split-complementary

#51CF7B #BA51CF #CF5166

monochromatic

#248243 #31B25C #51CF7B #81DC9F #B1E9C4

Accessibility & contrast

On white

1.99

#51CF7B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.56

#51CF7B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CF7B

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CF7B	#FFFFFF	#000000	##000000
##51CF7B	1.00	1.99	10.56	10.56
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.56	21.00	1.00	1.00
##000000	10.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0BF75

Deuteranopia (green-blind)

#BFB381

Tritanopia (blue-blind)

#27CCBA

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #51cf7b;
/* rgb */ color: rgb(81, 207, 123);
/* oklch */ color: oklch(76.4% 0.164 151.4);

Tailwind

colors: {
  custom: {
    50: '#8edfa2',
    500: '#51cf7b',
    950: '#000000',
  },
}

SCSS

$custom: #51cf7b;
$custom-light: #8edfa2;
$custom-dark: #000000;

JSON

{
  "hex": "#51cf7b",
  "rgb": {
    "r": 81,
    "g": 207,
    "b": 123
  },
  "hsl": {
    "h": 140,
    "s": 56.757,
    "l": 56.471
  },
  "oklch": {
    "l": 0.76367,
    "c": 0.16401,
    "h": 151.4
  },
  "luminance": 0.47805
}

Semantic roles & 50–950 ramp

primary

#51CF7B

secondary

#D8A4C7

accent

#48ADE0

background

#F9FDFA

surface

#F2FBF3

border

#CCD4CD

text

#0D150F

muted

#7E837F

Preview Lab

Preview with #51CF7B

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

Preview Lab → · Contrast checker → · Palette generator →