#51CD66#51CD66

#51CD66 is a light, vivid green. Relative luminance 0.464; OKLCH L 75.5% C 0.181 H 146.7°. Best body text is #000000 at 10.27:1 contrast (WCAG AA passes).

Color values

HEX	#51CD66
RGB	rgb(81, 205, 102)
HSL	hsl(130, 55%, 56%)
HSV	hsv(130, 60%, 80%)
CMYK	cmyk(60.5%, 0%, 50.2%, 19.6%)
CIE-LAB	lab(73.78, -55.82, 40.99)
CIE-LCH	lch(73.78, 69.25, 143.70°)
OKLab	oklab(75.52% -0.1509 0.0991)
OKLCH	oklch(75.52% 0.181 146.7)
XYZ	xyz(27.6211, 46.3686, 20.0622)
Luminance	0.4637 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CD66 #CD51B8

analogous

#7ACD51 #51CD66 #51CDA4

triadic

#51CD66 #6651CD #CD6651

tetradic

#51CD66 #517ACD #CD51B8 #CDA451

square

#51CD66 #517ACD #CD51B8 #CDA451

split-complementary

#51CD66 #A451CD #CD517A

monochromatic

#257F34 #32AF47 #51CD66 #81DB90 #B0E8BA

Accessibility & contrast

On white

2.04

#51CD66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.27

#51CD66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CD66

10.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CD66	#FFFFFF	#000000	##000000
##51CD66	1.00	2.04	10.27	10.27
#FFFFFF	2.04	1.00	21.00	21.00
#000000	10.27	21.00	1.00	1.00
##000000	10.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0BC5D

Deuteranopia (green-blind)

#C0B16D

Tritanopia (blue-blind)

#33C9B5

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #51cd66;
/* rgb */ color: rgb(81, 205, 102);
/* oklch */ color: oklch(75.5% 0.181 146.7);

Tailwind

colors: {
  custom: {
    50: '#8edd93',
    500: '#51cd66',
    950: '#000000',
  },
}

SCSS

$custom: #51cd66;
$custom-light: #8edd93;
$custom-dark: #000000;

JSON

{
  "hex": "#51cd66",
  "rgb": {
    "r": 81,
    "g": 205,
    "b": 102
  },
  "hsl": {
    "h": 130.161,
    "s": 55.357,
    "l": 56.078
  },
  "oklch": {
    "l": 0.75515,
    "c": 0.18055,
    "h": 146.7
  },
  "luminance": 0.46371
}

Semantic roles & 50–950 ramp

primary

#51CD66

secondary

#D7A3CE

accent

#49C5DF

background

#F9FDF9

surface

#F2FBF1

border

#CCD4CB

text

#0D150D

muted

#7E837E

Preview Lab

Preview with #51CD66

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

Preview Lab → · Contrast checker → · Palette generator →