#51DD87#51DD87

#51DD87 is a light, vivid green. Relative luminance 0.552; OKLCH L 80.1% C 0.172 H 152.9°. Best body text is #000000 at 12.04:1 contrast (WCAG AA passes).

Color values

HEX	#51DD87
RGB	rgb(81, 221, 135)
HSL	hsl(143, 67%, 59%)
HSV	hsv(143, 63%, 87%)
CMYK	cmyk(63.3%, 0%, 38.9%, 13.3%)
CIE-LAB	lab(79.16, -56.57, 31.37)
CIE-LCH	lch(79.16, 64.69, 150.99°)
OKLab	oklab(80.1% -0.1529 0.0781)
OKLCH	oklch(80.1% 0.172 152.9)
XYZ	xyz(33.6202, 55.2080, 31.8014)
Luminance	0.5521 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DD87 #DD51A7

analogous

#61DD51 #51DD87 #51DDCD

triadic

#51DD87 #8751DD #DD8751

tetradic

#51DD87 #5161DD #DD51A7 #DDCD51

square

#51DD87 #5161DD #DD51A7 #DDCD51

split-complementary

#51DD87 #CD51DD #DD5161

monochromatic

#1D964C #27C966 #51DD87 #84E7AA #B7F1CE

Accessibility & contrast

On white

1.74

#51DD87 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.04

#51DD87 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DD87

12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DD87	#FFFFFF	#000000	##000000
##51DD87	1.00	1.74	12.04	12.04
#FFFFFF	1.74	1.00	21.00	21.00
#000000	12.04	21.00	1.00	1.00
##000000	12.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDCC81

Deuteranopia (green-blind)

#CBBF8D

Tritanopia (blue-blind)

#0EDAC7

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #51dd87;
/* rgb */ color: rgb(81, 221, 135);
/* oklch */ color: oklch(80.1% 0.172 152.9);

Tailwind

colors: {
  custom: {
    50: '#90e8aa',
    500: '#51dd87',
    950: '#000000',
  },
}

SCSS

$custom: #51dd87;
$custom-light: #90e8aa;
$custom-dark: #000000;

JSON

{
  "hex": "#51dd87",
  "rgb": {
    "r": 81,
    "g": 221,
    "b": 135
  },
  "hsl": {
    "h": 143.143,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.80097,
    "c": 0.17174,
    "h": 152.9
  },
  "luminance": 0.55212
}

Semantic roles & 50–950 ramp

primary

#51DD87

secondary

#9B3874

accent

#3EA8EA

background

#FCFEFD

surface

#F5FDF7

border

#CFD5D0

text

#0E1610

muted

#7F8481

Preview Lab

Preview with #51DD87

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

Preview Lab → · Contrast checker → · Palette generator →