#51DB55#51DB55

#51DB55 is a light, highly saturated green. Relative luminance 0.531; OKLCH L 78.9% C 0.212 H 143.7°. Best body text is #000000 at 11.61:1 contrast (WCAG AA passes).

Color values

HEX	#51DB55
RGB	rgb(81, 219, 85)
HSL	hsl(122, 66%, 59%)
HSV	hsv(122, 63%, 86%)
CMYK	cmyk(63%, 0%, 61.2%, 14.1%)
CIE-LAB	lab(77.91, -63.00, 53.73)
CIE-LCH	lch(77.91, 82.80, 139.54°)
OKLab	oklab(78.86% -0.1709 0.1257)
OKLCH	oklch(78.86% 0.212 143.7)
XYZ	xyz(30.3628, 53.0652, 17.2351)
Luminance	0.5307 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DB55 #DB51D7

analogous

#92DB51 #51DB55 #51DB9A

triadic

#51DB55 #5551DB #DB5551

tetradic

#51DB55 #5192DB #DB51D7 #DB9A51

square

#51DB55 #5192DB #DB51D7 #DB9A51

split-complementary

#51DB55 #9A51DB #DB5192

monochromatic

#1E9322 #29C62D #51DB55 #84E587 #B6F0B8

Accessibility & contrast

On white

1.81

#51DB55 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.61

#51DB55 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DB55

11.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DB55	#FFFFFF	#000000	##000000
##51DB55	1.00	1.81	11.61	11.61
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.61	21.00	1.00	1.00
##000000	11.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFC846

Deuteranopia (green-blind)

#CEBC60

Tritanopia (blue-blind)

#33D5BE

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #51db55;
/* rgb */ color: rgb(81, 219, 85);
/* oklch */ color: oklch(78.9% 0.212 143.7);

Tailwind

colors: {
  custom: {
    50: '#91e789',
    500: '#51db55',
    950: '#000000',
  },
}

SCSS

$custom: #51db55;
$custom-light: #91e789;
$custom-dark: #000000;

JSON

{
  "hex": "#51db55",
  "rgb": {
    "r": 81,
    "g": 219,
    "b": 85
  },
  "hsl": {
    "h": 121.739,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.78862,
    "c": 0.21219,
    "h": 143.7
  },
  "luminance": 0.53068
}

Semantic roles & 50–950 ramp

primary

#51DB55

secondary

#983895

accent

#3FE4E9

background

#FCFEFC

surface

#F5FDF4

border

#CFD5CE

text

#0E160C

muted

#7F847F

Preview Lab

Preview with #51DB55

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

Preview Lab → · Contrast checker → · Palette generator →