#51DD66#51DD66

#51DD66 is a light, highly saturated green. Relative luminance 0.544; OKLCH L 79.6% C 0.201 H 146.0°. Best body text is #000000 at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#51DD66
RGB	rgb(81, 221, 102)
HSL	hsl(129, 67%, 59%)
HSV	hsv(129, 63%, 87%)
CMYK	cmyk(63.3%, 0%, 53.8%, 13.3%)
CIE-LAB	lab(78.71, -61.66, 46.99)
CIE-LCH	lch(78.71, 77.53, 142.69°)
OKLab	oklab(79.57% -0.1667 0.1124)
OKLCH	oklch(79.57% 0.201 146)
XYZ	xyz(31.6460, 54.4184, 21.4039)
Luminance	0.5442 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DD66 #DD51C8

analogous

#82DD51 #51DD66 #51DDAC

triadic

#51DD66 #6651DD #DD6651

tetradic

#51DD66 #5182DD #DD51C8 #DDAC51

square

#51DD66 #5182DD #DD51C8 #DDAC51

split-complementary

#51DD66 #AC51DD #DD5182

monochromatic

#1D962F #27C940 #51DD66 #84E793 #B7F1C0

Accessibility & contrast

On white

1.77

#51DD66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.88

#51DD66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DD66

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DD66	#FFFFFF	#000000	##000000
##51DD66	1.00	1.77	11.88	11.88
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.88	21.00	1.00	1.00
##000000	11.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0CA5B

Deuteranopia (green-blind)

#CFBE6F

Tritanopia (blue-blind)

#2BD8C2

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #51dd66;
/* rgb */ color: rgb(81, 221, 102);
/* oklch */ color: oklch(79.6% 0.201 146.0);

Tailwind

colors: {
  custom: {
    50: '#91e994',
    500: '#51dd66',
    950: '#000000',
  },
}

SCSS

$custom: #51dd66;
$custom-light: #91e994;
$custom-dark: #000000;

JSON

{
  "hex": "#51dd66",
  "rgb": {
    "r": 81,
    "g": 221,
    "b": 102
  },
  "hsl": {
    "h": 129,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.79573,
    "c": 0.20105,
    "h": 146
  },
  "luminance": 0.54422
}

Semantic roles & 50–950 ramp

primary

#51DD66

secondary

#9B388C

accent

#3ED0EA

background

#FCFEFC

surface

#F5FDF4

border

#CFD5CE

text

#0E160D

muted

#7F847F

Preview Lab

Preview with #51DD66

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

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