#51DA81#51DA81

#51DA81 is a light, vivid green. Relative luminance 0.535; OKLCH L 79.2% C 0.173 H 151.7°. Best body text is #000000 at 11.70:1 contrast (WCAG AA passes).

Color values

HEX	#51DA81
RGB	rgb(81, 218, 129)
HSL	hsl(141, 65%, 59%)
HSV	hsv(141, 63%, 85%)
CMYK	cmyk(62.8%, 0%, 40.8%, 14.5%)
CIE-LAB	lab(78.15, -56.47, 33.10)
CIE-LCH	lch(78.15, 65.45, 149.62°)
OKLab	oklab(79.24% -0.1526 0.0821)
OKLCH	oklch(79.24% 0.173 151.7)
XYZ	xyz(32.4246, 53.4738, 29.3773)
Luminance	0.5348 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DA81 #DA51AA

analogous

#65DA51 #51DA81 #51DAC5

triadic

#51DA81 #8151DA #DA8151

tetradic

#51DA81 #5165DA #DA51AA #DAC551

square

#51DA81 #5165DA #DA51AA #DAC551

split-complementary

#51DA81 #C551DA #DA5165

monochromatic

#1F9247 #2AC460 #51DA81 #83E5A6 #B6EFCA

Accessibility & contrast

On white

1.80

#51DA81 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.70

#51DA81 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DA81

11.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DA81	#FFFFFF	#000000	##000000
##51DA81	1.00	1.80	11.70	11.70
#FFFFFF	1.80	1.00	21.00	21.00
#000000	11.70	21.00	1.00	1.00
##000000	11.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DBC97B

Deuteranopia (green-blind)

#C9BC87

Tritanopia (blue-blind)

#1AD7C4

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #51da81;
/* rgb */ color: rgb(81, 218, 129);
/* oklch */ color: oklch(79.2% 0.173 151.7);

Tailwind

colors: {
  custom: {
    50: '#8fe6a6',
    500: '#51da81',
    950: '#000000',
  },
}

SCSS

$custom: #51da81;
$custom-light: #8fe6a6;
$custom-dark: #000000;

JSON

{
  "hex": "#51da81",
  "rgb": {
    "r": 81,
    "g": 218,
    "b": 129
  },
  "hsl": {
    "h": 141.022,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.79238,
    "c": 0.17323,
    "h": 151.7
  },
  "luminance": 0.53477
}

Semantic roles & 50–950 ramp

primary

#51DA81

secondary

#973976

accent

#40ADE8

background

#FCFEFC

surface

#F5FCF6

border

#CFD5D0

text

#0E160F

muted

#7F8480

Preview Lab

Preview with #51DA81

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

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