#51DB54#51DB54

#51DB54 is a light, highly saturated green. Relative luminance 0.531; OKLCH L 78.9% C 0.213 H 143.5°. Best body text is #000000 at 11.61:1 contrast (WCAG AA passes).

Color values

HEX	#51DB54
RGB	rgb(81, 219, 84)
HSL	hsl(121, 66%, 59%)
HSV	hsv(121, 63%, 86%)
CMYK	cmyk(63%, 0%, 61.6%, 14.1%)
CIE-LAB	lab(77.90, -63.11, 54.15)
CIE-LCH	lch(77.90, 83.16, 139.37°)
OKLab	oklab(78.85% -0.1713 0.1265)
OKLCH	oklch(78.85% 0.213 143.5)
XYZ	xyz(30.3233, 53.0495, 17.0273)
Luminance	0.5305 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DB54 #DB51D8

analogous

#93DB51 #51DB54 #51DB99

triadic

#51DB54 #5451DB #DB5451

tetradic

#51DB54 #5193DB #DB51D8 #DB9951

square

#51DB54 #5193DB #DB51D8 #DB9951

split-complementary

#51DB54 #9951DB #DB5193

monochromatic

#1E9321 #29C62C #51DB54 #84E586 #B6F0B8

Accessibility & contrast

On white

1.81

#51DB54 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.61

#51DB54 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DB54

11.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DB54	#FFFFFF	#000000	##000000
##51DB54	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)

#DFC845

Deuteranopia (green-blind)

#CEBC5F

Tritanopia (blue-blind)

#33D5BE

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #51db54;
/* rgb */ color: rgb(81, 219, 84);
/* oklch */ color: oklch(78.9% 0.213 143.5);

Tailwind

colors: {
  custom: {
    50: '#91e789',
    500: '#51db54',
    950: '#000000',
  },
}

SCSS

$custom: #51db54;
$custom-light: #91e789;
$custom-dark: #000000;

JSON

{
  "hex": "#51db54",
  "rgb": {
    "r": 81,
    "g": 219,
    "b": 84
  },
  "hsl": {
    "h": 121.304,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.78851,
    "c": 0.21293,
    "h": 143.5
  },
  "luminance": 0.53052
}

Semantic roles & 50–950 ramp

primary

#51DB54

secondary

#983896

accent

#3FE5E9

background

#FCFEFC

surface

#F5FDF4

border

#CFD5CE

text

#0E160C

muted

#7F847F

Preview Lab

Preview with #51DB54

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

Preview Lab → · Contrast checker → · Palette generator →