#51DE7F#51DE7F

#51DE7F is a light, vivid green. Relative luminance 0.555; OKLCH L 80.2% C 0.180 H 150.8°. Best body text is #000000 at 12.10:1 contrast (WCAG AA passes).

Color values

HEX	#51DE7F
RGB	rgb(81, 222, 127)
HSL	hsl(140, 68%, 59%)
HSV	hsv(140, 64%, 87%)
CMYK	cmyk(63.5%, 0%, 42.8%, 12.9%)
CIE-LAB	lab(79.34, -58.32, 35.65)
CIE-LCH	lch(79.34, 68.35, 148.56°)
OKLab	oklab(80.2% -0.1574 0.088)
OKLCH	oklch(80.2% 0.18 150.8)
XYZ	xyz(33.3428, 55.5208, 29.0340)
Luminance	0.5552 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DE7F #DE51B0

analogous

#6ADE51 #51DE7F #51DEC5

triadic

#51DE7F #7F51DE #DE7F51

tetradic

#51DE7F #516ADE #DE51B0 #DEC551

square

#51DE7F #516ADE #DE51B0 #DEC551

split-complementary

#51DE7F #C551DE #DE516A

monochromatic

#1D9845 #27CB5C #51DE7F #84E8A5 #B8F2CB

Accessibility & contrast

On white

1.73

#51DE7F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.10

#51DE7F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DE7F

12.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DE7F	#FFFFFF	#000000	##000000
##51DE7F	1.00	1.73	12.10	12.10
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.10	21.00	1.00	1.00
##000000	12.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFCC78

Deuteranopia (green-blind)

#CDC085

Tritanopia (blue-blind)

#18DBC7

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #51de7f;
/* rgb */ color: rgb(81, 222, 127);
/* oklch */ color: oklch(80.2% 0.180 150.8);

Tailwind

colors: {
  custom: {
    50: '#90e9a5',
    500: '#51de7f',
    950: '#000000',
  },
}

SCSS

$custom: #51de7f;
$custom-light: #90e9a5;
$custom-dark: #000000;

JSON

{
  "hex": "#51de7f",
  "rgb": {
    "r": 81,
    "g": 222,
    "b": 127
  },
  "hsl": {
    "h": 139.574,
    "s": 68.116,
    "l": 59.412
  },
  "oklch": {
    "l": 0.80204,
    "c": 0.18032,
    "h": 150.8
  },
  "luminance": 0.55524
}

Semantic roles & 50–950 ramp

primary

#51DE7F

secondary

#9C377B

accent

#3DB2EB

background

#FCFEFC

surface

#F5FDF6

border

#CFD5D0

text

#0E160F

muted

#7F8480

Preview Lab

Preview with #51DE7F

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

Preview Lab → · Contrast checker → · Palette generator →