#51DC55#51DC55

#51DC55 is a light, highly saturated green. Relative luminance 0.536; OKLCH L 79.1% C 0.213 H 143.7°. Best body text is #000000 at 11.72:1 contrast (WCAG AA passes).

Color values

HEX	#51DC55
RGB	rgb(81, 220, 85)
HSL	hsl(122, 67%, 59%)
HSV	hsv(122, 63%, 86%)
CMYK	cmyk(63.2%, 0%, 61.4%, 13.7%)
CIE-LAB	lab(78.22, -63.35, 54.08)
CIE-LCH	lch(78.22, 83.29, 139.51°)
OKLab	oklab(79.12% -0.1719 0.1265)
OKLCH	oklch(79.12% 0.213 143.7)
XYZ	xyz(30.6244, 53.5886, 17.3223)
Luminance	0.5359 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DC55 #DC51D8

analogous

#93DC51 #51DC55 #51DC9B

triadic

#51DC55 #5551DC #DC5551

tetradic

#51DC55 #5193DC #DC51D8 #DC9B51

square

#51DC55 #5193DC #DC51D8 #DC9B51

split-complementary

#51DC55 #9B51DC #DC5193

monochromatic

#1E9521 #28C82D #51DC55 #84E687 #B7F0B9

Accessibility & contrast

On white

1.79

#51DC55 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.72

#51DC55 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DC55

11.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DC55	#FFFFFF	#000000	##000000
##51DC55	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)

#E0C946

Deuteranopia (green-blind)

#CFBD60

Tritanopia (blue-blind)

#32D6BF

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #51dc55;
/* rgb */ color: rgb(81, 220, 85);
/* oklch */ color: oklch(79.1% 0.213 143.7);

Tailwind

colors: {
  custom: {
    50: '#91e88a',
    500: '#51dc55',
    950: '#000000',
  },
}

SCSS

$custom: #51dc55;
$custom-light: #91e88a;
$custom-dark: #000000;

JSON

{
  "hex": "#51dc55",
  "rgb": {
    "r": 81,
    "g": 220,
    "b": 85
  },
  "hsl": {
    "h": 121.727,
    "s": 66.507,
    "l": 59.02
  },
  "oklch": {
    "l": 0.79116,
    "c": 0.21338,
    "h": 143.7
  },
  "luminance": 0.53592
}

Semantic roles & 50–950 ramp

primary

#51DC55

secondary

#993896

accent

#3EE5E9

background

#FCFEFC

surface

#F5FDF4

border

#CFD5CE

text

#0E160C

muted

#7F847F

Preview Lab

Preview with #51DC55

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

Preview Lab → · Contrast checker → · Palette generator →