#51DC57#51DC57

#51DC57 is a light, highly saturated green. Relative luminance 0.536; OKLCH L 79.1% C 0.212 H 143.9°. Best body text is #000000 at 11.72:1 contrast (WCAG AA passes).

Color values

HEX	#51DC57
RGB	rgb(81, 220, 87)
HSL	hsl(123, 67%, 59%)
HSV	hsv(123, 63%, 86%)
CMYK	cmyk(63.2%, 0%, 60.5%, 13.7%)
CIE-LAB	lab(78.24, -63.13, 53.23)
CIE-LCH	lch(78.24, 82.58, 139.86°)
OKLab	oklab(79.14% -0.1712 0.1248)
OKLCH	oklch(79.14% 0.212 143.9)
XYZ	xyz(30.7050, 53.6208, 17.7467)
Luminance	0.5362 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DC57 #DC51D6

analogous

#91DC51 #51DC57 #51DC9D

triadic

#51DC57 #5751DC #DC5751

tetradic

#51DC57 #5191DC #DC51D6 #DC9D51

square

#51DC57 #5191DC #DC51D6 #DC9D51

split-complementary

#51DC57 #9D51DC #DC5191

monochromatic

#1E9523 #28C82F #51DC57 #84E688 #B7F0B9

Accessibility & contrast

On white

1.79

#51DC57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.72

#51DC57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DC57

11.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DC57	#FFFFFF	#000000	##000000
##51DC57	1.00	1.79	11.72	11.72
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.72	21.00	1.00	1.00
##000000	11.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0C948

Deuteranopia (green-blind)

#CFBD62

Tritanopia (blue-blind)

#32D6C0

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #51dc57;
/* rgb */ color: rgb(81, 220, 87);
/* oklch */ color: oklch(79.1% 0.212 143.9);

Tailwind

colors: {
  custom: {
    50: '#91e88b',
    500: '#51dc57',
    950: '#000000',
  },
}

SCSS

$custom: #51dc57;
$custom-light: #91e88b;
$custom-dark: #000000;

JSON

{
  "hex": "#51dc57",
  "rgb": {
    "r": 81,
    "g": 220,
    "b": 87
  },
  "hsl": {
    "h": 122.59,
    "s": 66.507,
    "l": 59.02
  },
  "oklch": {
    "l": 0.79138,
    "c": 0.21186,
    "h": 143.9
  },
  "luminance": 0.53624
}

Semantic roles & 50–950 ramp

primary

#51DC57

secondary

#993895

accent

#3EE2E9

background

#FCFEFC

surface

#F5FDF4

border

#CFD5CE

text

#0E160C

muted

#7F847F

Preview Lab

Preview with #51DC57

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

Preview Lab → · Contrast checker → · Palette generator →