#51DD68#51DD68

#51DD68 is a light, vivid green. Relative luminance 0.545; OKLCH L 79.6% C 0.199 H 146.3°. Best body text is #000000 at 11.89:1 contrast (WCAG AA passes).

Color values

HEX	#51DD68
RGB	rgb(81, 221, 104)
HSL	hsl(130, 67%, 59%)
HSV	hsv(130, 63%, 87%)
CMYK	cmyk(63.3%, 0%, 52.9%, 13.3%)
CIE-LAB	lab(78.73, -61.40, 46.09)
CIE-LCH	lch(78.73, 76.77, 143.11°)
OKLab	oklab(79.6% -0.1659 0.1106)
OKLCH	oklch(79.6% 0.199 146.3)
XYZ	xyz(31.7464, 54.4585, 21.9325)
Luminance	0.5446 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DD68 #DD51C6

analogous

#80DD51 #51DD68 #51DDAE

triadic

#51DD68 #6851DD #DD6851

tetradic

#51DD68 #5180DD #DD51C6 #DDAE51

square

#51DD68 #5180DD #DD51C6 #DDAE51

split-complementary

#51DD68 #AE51DD #DD5180

monochromatic

#1D9631 #27C942 #51DD68 #84E794 #B7F1C1

Accessibility & contrast

On white

1.77

#51DD68 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.89

#51DD68 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DD68

11.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DD68	#FFFFFF	#000000	##000000
##51DD68	1.00	1.77	11.89	11.89
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.89	21.00	1.00	1.00
##000000	11.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0CA5D

Deuteranopia (green-blind)

#CFBE71

Tritanopia (blue-blind)

#2AD8C2

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #51dd68;
/* rgb */ color: rgb(81, 221, 104);
/* oklch */ color: oklch(79.6% 0.199 146.3);

Tailwind

colors: {
  custom: {
    50: '#91e996',
    500: '#51dd68',
    950: '#000000',
  },
}

SCSS

$custom: #51dd68;
$custom-light: #91e996;
$custom-dark: #000000;

JSON

{
  "hex": "#51dd68",
  "rgb": {
    "r": 81,
    "g": 221,
    "b": 104
  },
  "hsl": {
    "h": 129.857,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.796,
    "c": 0.19936,
    "h": 146.3
  },
  "luminance": 0.54462
}

Semantic roles & 50–950 ramp

primary

#51DD68

secondary

#9B388A

accent

#3ECEEA

background

#FCFEFC

surface

#F5FDF5

border

#CFD5CF

text

#0E160D

muted

#7F847F

Preview Lab

Preview with #51DD68

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

Preview Lab → · Contrast checker → · Palette generator →