#51CD55#51CD55

#51CD55 is a light, vivid green. Relative luminance 0.461; OKLCH L 75.3% C 0.195 H 143.8°. Best body text is #000000 at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#51CD55
RGB	rgb(81, 205, 85)
HSL	hsl(122, 55%, 56%)
HSV	hsv(122, 60%, 80%)
CMYK	cmyk(60.5%, 0%, 58.5%, 19.6%)
CIE-LAB	lab(73.59, -58.03, 48.77)
CIE-LCH	lch(73.59, 75.80, 139.95°)
OKLab	oklab(75.29% -0.1575 0.1151)
OKLCH	oklch(75.29% 0.195 143.8)
XYZ	xyz(26.8628, 46.0653, 16.0684)
Luminance	0.4607 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CD55 #CD51C9

analogous

#8BCD51 #51CD55 #51CD93

triadic

#51CD55 #5551CD #CD5551

tetradic

#51CD55 #518BCD #CD51C9 #CD9351

square

#51CD55 #518BCD #CD51C9 #CD9351

split-complementary

#51CD55 #9351CD #CD518B

monochromatic

#257F27 #32AF36 #51CD55 #81DB83 #B0E8B2

Accessibility & contrast

On white

2.06

#51CD55 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.21

#51CD55 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CD55

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CD55	#FFFFFF	#000000	##000000
##51CD55	1.00	2.06	10.21	10.21
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.21	21.00	1.00	1.00
##000000	10.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1BB49

Deuteranopia (green-blind)

#C1B15F

Tritanopia (blue-blind)

#38C8B3

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #51cd55;
/* rgb */ color: rgb(81, 205, 85);
/* oklch */ color: oklch(75.3% 0.195 143.8);

Tailwind

colors: {
  custom: {
    50: '#8edd88',
    500: '#51cd55',
    950: '#000000',
  },
}

SCSS

$custom: #51cd55;
$custom-light: #8edd88;
$custom-dark: #000000;

JSON

{
  "hex": "#51cd55",
  "rgb": {
    "r": 81,
    "g": 205,
    "b": 85
  },
  "hsl": {
    "h": 121.935,
    "s": 55.357,
    "l": 56.078
  },
  "oklch": {
    "l": 0.7529,
    "c": 0.19502,
    "h": 143.8
  },
  "luminance": 0.46068
}

Semantic roles & 50–950 ramp

primary

#51CD55

secondary

#D7A3D5

accent

#49DADF

background

#F9FDF8

surface

#F2FBF0

border

#CCD4CB

text

#0D150C

muted

#7E837D

Preview Lab

Preview with #51CD55

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

Preview Lab → · Contrast checker → · Palette generator →