#51DB57#51DB57

#51DB57 is a light, highly saturated green. Relative luminance 0.531; OKLCH L 78.9% C 0.211 H 143.9°. Best body text is #000000 at 11.62:1 contrast (WCAG AA passes).

Color values

HEX	#51DB57
RGB	rgb(81, 219, 87)
HSL	hsl(123, 66%, 59%)
HSV	hsv(123, 63%, 86%)
CMYK	cmyk(63%, 0%, 60.3%, 14.1%)
CIE-LAB	lab(77.93, -62.78, 52.88)
CIE-LCH	lch(77.93, 82.09, 139.89°)
OKLab	oklab(78.88% -0.1702 0.1241)
OKLCH	oklch(78.88% 0.211 143.9)
XYZ	xyz(30.4433, 53.0975, 17.6595)
Luminance	0.5310 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DB57 #DB51D5

analogous

#90DB51 #51DB57 #51DB9C

triadic

#51DB57 #5751DB #DB5751

tetradic

#51DB57 #5190DB #DB51D5 #DB9C51

square

#51DB57 #5190DB #DB51D5 #DB9C51

split-complementary

#51DB57 #9C51DB #DB5190

monochromatic

#1E9324 #29C630 #51DB57 #84E588 #B6F0B9

Accessibility & contrast

On white

1.81

#51DB57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.62

#51DB57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DB57

11.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DB57	#FFFFFF	#000000	##000000
##51DB57	1.00	1.81	11.62	11.62
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.62	21.00	1.00	1.00
##000000	11.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFC849

Deuteranopia (green-blind)

#CEBC62

Tritanopia (blue-blind)

#32D5BF

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #51db57;
/* rgb */ color: rgb(81, 219, 87);
/* oklch */ color: oklch(78.9% 0.211 143.9);

Tailwind

colors: {
  custom: {
    50: '#91e78b',
    500: '#51db57',
    950: '#000000',
  },
}

SCSS

$custom: #51db57;
$custom-light: #91e78b;
$custom-dark: #000000;

JSON

{
  "hex": "#51db57",
  "rgb": {
    "r": 81,
    "g": 219,
    "b": 87
  },
  "hsl": {
    "h": 122.609,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.78884,
    "c": 0.21066,
    "h": 143.9
  },
  "luminance": 0.531
}

Semantic roles & 50–950 ramp

primary

#51DB57

secondary

#983894

accent

#3FE1E9

background

#FCFEFC

surface

#F5FDF4

border

#CFD5CE

text

#0E160C

muted

#7F847F

Preview Lab

Preview with #51DB57

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

Preview Lab → · Contrast checker → · Palette generator →