#51DE8A#51DE8A

#51DE8A is a light, vivid green. Relative luminance 0.558; OKLCH L 80.4% C 0.170 H 153.6°. Best body text is #000000 at 12.17:1 contrast (WCAG AA passes).

Color values

HEX	#51DE8A
RGB	rgb(81, 222, 138)
HSL	hsl(144, 68%, 59%)
HSV	hsv(144, 64%, 87%)
CMYK	cmyk(63.5%, 0%, 37.8%, 12.9%)
CIE-LAB	lab(79.51, -56.41, 30.31)
CIE-LCH	lch(79.51, 64.04, 151.75°)
OKLab	oklab(80.4% -0.1526 0.0757)
OKLCH	oklch(80.4% 0.17 153.6)
XYZ	xyz(34.0992, 55.8233, 33.0178)
Luminance	0.5583 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DE8A #DE51A5

analogous

#5FDE51 #51DE8A #51DED0

triadic

#51DE8A #8A51DE #DE8A51

tetradic

#51DE8A #515FDE #DE51A5 #DED051

square

#51DE8A #515FDE #DE51A5 #DED051

split-complementary

#51DE8A #D051DE #DE515F

monochromatic

#1D984F #27CB69 #51DE8A #84E8AD #B8F2CF

Accessibility & contrast

On white

1.73

#51DE8A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.17

#51DE8A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DE8A

12.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DE8A	#FFFFFF	#000000	##000000
##51DE8A	1.00	1.73	12.17	12.17
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.17	21.00	1.00	1.00
##000000	12.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DECD84

Deuteranopia (green-blind)

#CCC08F

Tritanopia (blue-blind)

#06DBC9

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #51de8a;
/* rgb */ color: rgb(81, 222, 138);
/* oklch */ color: oklch(80.4% 0.170 153.6);

Tailwind

colors: {
  custom: {
    50: '#90e9ad',
    500: '#51de8a',
    950: '#000000',
  },
}

SCSS

$custom: #51de8a;
$custom-light: #90e9ad;
$custom-dark: #000000;

JSON

{
  "hex": "#51de8a",
  "rgb": {
    "r": 81,
    "g": 222,
    "b": 138
  },
  "hsl": {
    "h": 144.255,
    "s": 68.116,
    "l": 59.412
  },
  "oklch": {
    "l": 0.80403,
    "c": 0.17034,
    "h": 153.6
  },
  "luminance": 0.55827
}

Semantic roles & 50–950 ramp

primary

#51DE8A

secondary

#9C3773

accent

#3DA5EB

background

#FCFEFD

surface

#F5FDF7

border

#CFD5D0

text

#0E1610

muted

#7F8481

Preview Lab

Preview with #51DE8A

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

Preview Lab → · Contrast checker → · Palette generator →