#51DC81#51DC81

#51DC81 is a light, vivid green. Relative luminance 0.545; OKLCH L 79.7% C 0.176 H 151.5°. Best body text is #000000 at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#51DC81
RGB	rgb(81, 220, 129)
HSL	hsl(141, 67%, 59%)
HSV	hsv(141, 63%, 86%)
CMYK	cmyk(63.2%, 0%, 41.4%, 13.7%)
CIE-LAB	lab(78.76, -57.23, 33.89)
CIE-LCH	lch(78.76, 66.51, 149.36°)
OKLab	oklab(79.74% -0.1546 0.0839)
OKLCH	oklch(79.74% 0.176 151.5)
XYZ	xyz(32.9464, 54.5173, 29.5512)
Luminance	0.5452 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DC81 #DC51AC

analogous

#67DC51 #51DC81 #51DCC6

triadic

#51DC81 #8151DC #DC8151

tetradic

#51DC81 #5167DC #DC51AC #DCC651

square

#51DC81 #5167DC #DC51AC #DCC651

split-complementary

#51DC81 #C651DC #DC5167

monochromatic

#1E9547 #28C85F #51DC81 #84E6A6 #B7F0CB

Accessibility & contrast

On white

1.76

#51DC81 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.90

#51DC81 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DC81

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DC81	#FFFFFF	#000000	##000000
##51DC81	1.00	1.76	11.90	11.90
#FFFFFF	1.76	1.00	21.00	21.00
#000000	11.90	21.00	1.00	1.00
##000000	11.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDCB7A

Deuteranopia (green-blind)

#CBBE87

Tritanopia (blue-blind)

#18D9C6

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #51dc81;
/* rgb */ color: rgb(81, 220, 129);
/* oklch */ color: oklch(79.7% 0.176 151.5);

Tailwind

colors: {
  custom: {
    50: '#90e8a6',
    500: '#51dc81',
    950: '#000000',
  },
}

SCSS

$custom: #51dc81;
$custom-light: #90e8a6;
$custom-dark: #000000;

JSON

{
  "hex": "#51dc81",
  "rgb": {
    "r": 81,
    "g": 220,
    "b": 129
  },
  "hsl": {
    "h": 140.719,
    "s": 66.507,
    "l": 59.02
  },
  "oklch": {
    "l": 0.79738,
    "c": 0.17587,
    "h": 151.5
  },
  "luminance": 0.54521
}

Semantic roles & 50–950 ramp

primary

#51DC81

secondary

#993878

accent

#3EAEE9

background

#FCFEFC

surface

#F5FDF6

border

#CFD5D0

text

#0E160F

muted

#7F8480

Preview Lab

Preview with #51DC81

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

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