#51CE55#51CE55

#51CE55 is a light, vivid green. Relative luminance 0.465; OKLCH L 75.5% C 0.196 H 143.8°. Best body text is #000000 at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#51CE55
RGB	rgb(81, 206, 85)
HSL	hsl(122, 56%, 56%)
HSV	hsv(122, 61%, 81%)
CMYK	cmyk(60.7%, 0%, 58.7%, 19.2%)
CIE-LAB	lab(73.90, -58.39, 49.13)
CIE-LCH	lch(73.90, 76.31, 139.92°)
OKLab	oklab(75.55% -0.1584 0.1158)
OKLCH	oklch(75.55% 0.196 143.8)
XYZ	xyz(27.1028, 46.5452, 16.1484)
Luminance	0.4655 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CE55 #CE51CA

analogous

#8CCE51 #51CE55 #51CE94

triadic

#51CE55 #5551CE #CE5551

tetradic

#51CE55 #518CCE #CE51CA #CE9451

square

#51CE55 #518CCE #CE51CA #CE9451

split-complementary

#51CE55 #9451CE #CE518C

monochromatic

#248027 #32B036 #51CE55 #81DB84 #B1E9B2

Accessibility & contrast

On white

2.04

#51CE55 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.31

#51CE55 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CE55

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CE55	#FFFFFF	#000000	##000000
##51CE55	1.00	2.04	10.31	10.31
#FFFFFF	2.04	1.00	21.00	21.00
#000000	10.31	21.00	1.00	1.00
##000000	10.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2BC48

Deuteranopia (green-blind)

#C2B25F

Tritanopia (blue-blind)

#38C9B4

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #51ce55;
/* rgb */ color: rgb(81, 206, 85);
/* oklch */ color: oklch(75.5% 0.196 143.8);

Tailwind

colors: {
  custom: {
    50: '#8fde89',
    500: '#51ce55',
    950: '#000000',
  },
}

SCSS

$custom: #51ce55;
$custom-light: #8fde89;
$custom-dark: #000000;

JSON

{
  "hex": "#51ce55",
  "rgb": {
    "r": 81,
    "g": 206,
    "b": 85
  },
  "hsl": {
    "h": 121.92,
    "s": 56.054,
    "l": 56.275
  },
  "oklch": {
    "l": 0.75546,
    "c": 0.19626,
    "h": 143.8
  },
  "luminance": 0.46548
}

Semantic roles & 50–950 ramp

primary

#51CE55

secondary

#D7A4D5

accent

#48DBDF

background

#F9FDF8

surface

#F2FBF0

border

#CCD4CB

text

#0E150C

muted

#7E837D

Preview Lab

Preview with #51CE55

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

Preview Lab → · Contrast checker → · Palette generator →