#51DC51#51DC51

#51DC51 is a light, highly saturated green. Relative luminance 0.535; OKLCH L 79.1% C 0.216 H 143.2°. Best body text is #000000 at 11.71:1 contrast (WCAG AA passes).

Color values

HEX	#51DC51
RGB	rgb(81, 220, 81)
HSL	hsl(120, 67%, 59%)
HSV	hsv(120, 63%, 86%)
CMYK	cmyk(63.2%, 0%, 63.2%, 13.7%)
CIE-LAB	lab(78.19, -63.77, 55.74)
CIE-LCH	lch(78.19, 84.70, 138.84°)
OKLab	oklab(79.07% -0.1732 0.1296)
OKLCH	oklch(79.07% 0.216 143.2)
XYZ	xyz(30.4700, 53.5268, 16.5089)
Luminance	0.5353 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DC51 #DC51DC

analogous

#97DC51 #51DC51 #51DC97

triadic

#51DC51 #5151DC #DC5151

tetradic

#51DC51 #5197DC #DC51DC #DC9751

square

#51DC51 #5197DC #DC51DC #DC9751

split-complementary

#51DC51 #9751DC #DC5197

monochromatic

#1E951E #28C828 #51DC51 #84E684 #B7F0B7

Accessibility & contrast

On white

1.79

#51DC51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.71

#51DC51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DC51

11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DC51	#FFFFFF	#000000	##000000
##51DC51	1.00	1.79	11.71	11.71
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.71	21.00	1.00	1.00
##000000	11.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0C840

Deuteranopia (green-blind)

#D0BD5D

Tritanopia (blue-blind)

#33D6BF

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #51dc51;
/* rgb */ color: rgb(81, 220, 81);
/* oklch */ color: oklch(79.1% 0.216 143.2);

Tailwind

colors: {
  custom: {
    50: '#91e887',
    500: '#51dc51',
    950: '#000000',
  },
}

SCSS

$custom: #51dc51;
$custom-light: #91e887;
$custom-dark: #000000;

JSON

{
  "hex": "#51dc51",
  "rgb": {
    "r": 81,
    "g": 220,
    "b": 81
  },
  "hsl": {
    "h": 120,
    "s": 66.507,
    "l": 59.02
  },
  "oklch": {
    "l": 0.79075,
    "c": 0.21632,
    "h": 143.2
  },
  "luminance": 0.5353
}

Semantic roles & 50–950 ramp

primary

#51DC51

secondary

#993899

accent

#3EE9E9

background

#FCFEFC

surface

#F5FDF4

border

#CFD5CE

text

#0E160C

muted

#7F847F

Preview Lab

Preview with #51DC51

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

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