#51DE7D#51DE7D

#51DE7D is a light, vivid green. Relative luminance 0.555; OKLCH L 80.2% C 0.182 H 150.3°. Best body text is #000000 at 12.09:1 contrast (WCAG AA passes).

Color values

HEX	#51DE7D
RGB	rgb(81, 222, 125)
HSL	hsl(139, 68%, 59%)
HSV	hsv(139, 64%, 87%)
CMYK	cmyk(63.5%, 0%, 43.7%, 12.9%)
CIE-LAB	lab(79.31, -58.64, 36.61)
CIE-LCH	lch(79.31, 69.13, 148.02°)
OKLab	oklab(80.17% -0.1583 0.0901)
OKLCH	oklch(80.17% 0.182 150.3)
XYZ	xyz(33.2137, 55.4691, 28.3543)
Luminance	0.5547 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DE7D #DE51B2

analogous

#6CDE51 #51DE7D #51DEC3

triadic

#51DE7D #7D51DE #DE7D51

tetradic

#51DE7D #516CDE #DE51B2 #DEC351

square

#51DE7D #516CDE #DE51B2 #DEC351

split-complementary

#51DE7D #C351DE #DE516C

monochromatic

#1D9843 #27CB5A #51DE7D #84E8A3 #B8F2CA

Accessibility & contrast

On white

1.74

#51DE7D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.09

#51DE7D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DE7D

12.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DE7D	#FFFFFF	#000000	##000000
##51DE7D	1.00	1.74	12.09	12.09
#FFFFFF	1.74	1.00	21.00	21.00
#000000	12.09	21.00	1.00	1.00
##000000	12.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFCC76

Deuteranopia (green-blind)

#CDBF84

Tritanopia (blue-blind)

#1ADAC6

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #51de7d;
/* rgb */ color: rgb(81, 222, 125);
/* oklch */ color: oklch(80.2% 0.182 150.3);

Tailwind

colors: {
  custom: {
    50: '#90e9a4',
    500: '#51de7d',
    950: '#000000',
  },
}

SCSS

$custom: #51de7d;
$custom-light: #90e9a4;
$custom-dark: #000000;

JSON

{
  "hex": "#51de7d",
  "rgb": {
    "r": 81,
    "g": 222,
    "b": 125
  },
  "hsl": {
    "h": 138.723,
    "s": 68.116,
    "l": 59.412
  },
  "oklch": {
    "l": 0.8017,
    "c": 0.18213,
    "h": 150.3
  },
  "luminance": 0.55473
}

Semantic roles & 50–950 ramp

primary

#51DE7D

secondary

#9C377D

accent

#3DB5EB

background

#FCFEFC

surface

#F5FDF6

border

#CFD5D0

text

#0E160F

muted

#7F8480

Preview Lab

Preview with #51DE7D

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

Preview Lab → · Contrast checker → · Palette generator →