#51DE87#51DE87

#51DE87 is a light, vivid green. Relative luminance 0.557; OKLCH L 80.3% C 0.173 H 152.8°. Best body text is #000000 at 12.15:1 contrast (WCAG AA passes).

Color values

HEX	#51DE87
RGB	rgb(81, 222, 135)
HSL	hsl(143, 68%, 59%)
HSV	hsv(143, 64%, 87%)
CMYK	cmyk(63.5%, 0%, 39.2%, 12.9%)
CIE-LAB	lab(79.46, -56.95, 31.77)
CIE-LCH	lch(79.46, 65.21, 150.84°)
OKLab	oklab(80.35% -0.1539 0.0791)
OKLCH	oklch(80.35% 0.173 152.8)
XYZ	xyz(33.8850, 55.7377, 31.8897)
Luminance	0.5574 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DE87 #DE51A8

analogous

#62DE51 #51DE87 #51DECE

triadic

#51DE87 #8751DE #DE8751

tetradic

#51DE87 #5162DE #DE51A8 #DECE51

square

#51DE87 #5162DE #DE51A8 #DECE51

split-complementary

#51DE87 #CE51DE #DE5162

monochromatic

#1D984C #27CB66 #51DE87 #84E8AA #B8F2CE

Accessibility & contrast

On white

1.73

#51DE87 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.15

#51DE87 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DE87

12.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DE87	#FFFFFF	#000000	##000000
##51DE87	1.00	1.73	12.15	12.15
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.15	21.00	1.00	1.00
##000000	12.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DECD81

Deuteranopia (green-blind)

#CCC08D

Tritanopia (blue-blind)

#0DDBC8

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #51de87;
/* rgb */ color: rgb(81, 222, 135);
/* oklch */ color: oklch(80.3% 0.173 152.8);

Tailwind

colors: {
  custom: {
    50: '#90e9ab',
    500: '#51de87',
    950: '#000000',
  },
}

SCSS

$custom: #51de87;
$custom-light: #90e9ab;
$custom-dark: #000000;

JSON

{
  "hex": "#51de87",
  "rgb": {
    "r": 81,
    "g": 222,
    "b": 135
  },
  "hsl": {
    "h": 142.979,
    "s": 68.116,
    "l": 59.412
  },
  "oklch": {
    "l": 0.80347,
    "c": 0.17307,
    "h": 152.8
  },
  "luminance": 0.55741
}

Semantic roles & 50–950 ramp

primary

#51DE87

secondary

#9C3775

accent

#3DA8EB

background

#FCFEFD

surface

#F5FDF7

border

#CFD5D0

text

#0E1610

muted

#7F8481

Preview Lab

Preview with #51DE87

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

Preview Lab → · Contrast checker → · Palette generator →