#51DD63#51DD63

#51DD63 is a light, highly saturated green. Relative luminance 0.544; OKLCH L 79.5% C 0.204 H 145.5°. Best body text is #000000 at 11.87:1 contrast (WCAG AA passes).

Color values

HEX	#51DD63
RGB	rgb(81, 221, 99)
HSL	hsl(128, 67%, 59%)
HSV	hsv(128, 63%, 87%)
CMYK	cmyk(63.3%, 0%, 55.2%, 13.3%)
CIE-LAB	lab(78.67, -62.05, 48.35)
CIE-LCH	lch(78.67, 78.66, 142.08°)
OKLab	oklab(79.53% -0.1678 0.1152)
OKLCH	oklch(79.53% 0.204 145.5)
XYZ	xyz(31.4999, 54.3599, 20.6344)
Luminance	0.5436 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DD63 #DD51CB

analogous

#85DD51 #51DD63 #51DDA9

triadic

#51DD63 #6351DD #DD6351

tetradic

#51DD63 #5185DD #DD51CB #DDA951

square

#51DD63 #5185DD #DD51CB #DDA951

split-complementary

#51DD63 #A951DD #DD5185

monochromatic

#1D962D #27C93C #51DD63 #84E791 #B7F1BF

Accessibility & contrast

On white

1.77

#51DD63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.87

#51DD63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DD63

11.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DD63	#FFFFFF	#000000	##000000
##51DD63	1.00	1.77	11.87	11.87
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.87	21.00	1.00	1.00
##000000	11.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0CA57

Deuteranopia (green-blind)

#CFBE6C

Tritanopia (blue-blind)

#2CD8C2

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #51dd63;
/* rgb */ color: rgb(81, 221, 99);
/* oklch */ color: oklch(79.5% 0.204 145.5);

Tailwind

colors: {
  custom: {
    50: '#91e992',
    500: '#51dd63',
    950: '#000000',
  },
}

SCSS

$custom: #51dd63;
$custom-light: #91e992;
$custom-dark: #000000;

JSON

{
  "hex": "#51dd63",
  "rgb": {
    "r": 81,
    "g": 221,
    "b": 99
  },
  "hsl": {
    "h": 127.714,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.79534,
    "c": 0.20355,
    "h": 145.5
  },
  "luminance": 0.54363
}

Semantic roles & 50–950 ramp

primary

#51DD63

secondary

#9B388E

accent

#3ED4EA

background

#FCFEFC

surface

#F5FDF4

border

#CFD5CE

text

#0E160D

muted

#7F847F

Preview Lab

Preview with #51DD63

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

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