#51DF55#51DF55

#51DF55 is a light, highly saturated green. Relative luminance 0.552; OKLCH L 79.9% C 0.217 H 143.6°. Best body text is #000000 at 12.04:1 contrast (WCAG AA passes).

Color values

HEX	#51DF55
RGB	rgb(81, 223, 85)
HSL	hsl(122, 69%, 60%)
HSV	hsv(122, 64%, 87%)
CMYK	cmyk(63.7%, 0%, 61.9%, 12.5%)
CIE-LAB	lab(79.14, -64.38, 55.12)
CIE-LCH	lch(79.14, 84.76, 139.43°)
OKLab	oklab(79.88% -0.1747 0.1287)
OKLCH	oklch(79.88% 0.217 143.6)
XYZ	xyz(31.4188, 55.1774, 17.5871)
Luminance	0.5518 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DF55 #DF51DB

analogous

#94DF51 #51DF55 #51DF9C

triadic

#51DF55 #5551DF #DF5551

tetradic

#51DF55 #5194DF #DF51DB #DF9C51

square

#51DF55 #5194DF #DF51DB #DF9C51

split-complementary

#51DF55 #9C51DF #DF5194

monochromatic

#1C9920 #26CD2A #51DF55 #85E988 #B8F2BA

Accessibility & contrast

On white

1.74

#51DF55 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.04

#51DF55 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DF55

12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DF55	#FFFFFF	#000000	##000000
##51DF55	1.00	1.74	12.04	12.04
#FFFFFF	1.74	1.00	21.00	21.00
#000000	12.04	21.00	1.00	1.00
##000000	12.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E3CB45

Deuteranopia (green-blind)

#D2BF61

Tritanopia (blue-blind)

#31D9C2

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #51df55;
/* rgb */ color: rgb(81, 223, 85);
/* oklch */ color: oklch(79.9% 0.217 143.6);

Tailwind

colors: {
  custom: {
    50: '#92ea8a',
    500: '#51df55',
    950: '#000000',
  },
}

SCSS

$custom: #51df55;
$custom-light: #92ea8a;
$custom-dark: #000000;

JSON

{
  "hex": "#51df55",
  "rgb": {
    "r": 81,
    "g": 223,
    "b": 85
  },
  "hsl": {
    "h": 121.69,
    "s": 68.932,
    "l": 59.608
  },
  "oklch": {
    "l": 0.79878,
    "c": 0.21695,
    "h": 143.6
  },
  "luminance": 0.55181
}

Semantic roles & 50–950 ramp

primary

#51DF55

secondary

#9D379A

accent

#3CE7EC

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0E160C

muted

#7F857F

Preview Lab

Preview with #51DF55

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

Preview Lab → · Contrast checker → · Palette generator →