#51E68F#51E68F

#51E68F is a very light, vivid green. Relative luminance 0.603; OKLCH L 82.5% C 0.176 H 153.9°. Best body text is #000000 at 13.07:1 contrast (WCAG AA passes).

Color values

HEX	#51E68F
RGB	rgb(81, 230, 143)
HSL	hsl(145, 75%, 61%)
HSV	hsv(145, 65%, 90%)
CMYK	cmyk(64.8%, 0%, 37.8%, 9.8%)
CIE-LAB	lab(82.01, -58.56, 31.09)
CIE-LCH	lch(82.01, 66.30, 152.04°)
OKLab	oklab(82.49% -0.1583 0.0776)
OKLCH	oklch(82.49% 0.176 153.9)
XYZ	xyz(36.6449, 60.3223, 35.6934)
Luminance	0.6033 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E68F #E651A8

analogous

#5DE651 #51E68F #51E6D9

triadic

#51E68F #8F51E6 #E68F51

tetradic

#51E68F #515DE6 #E651A8 #E6D951

square

#51E68F #515DE6 #E651A8 #E6D951

split-complementary

#51E68F #D951E6 #E6515D

monochromatic

#18A552 #1FDA6D #51E68F #87EEB1 #BCF5D4

Accessibility & contrast

On white

1.61

#51E68F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.07

#51E68F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E68F

13.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E68F	#FFFFFF	#000000	##000000
##51E68F	1.00	1.61	13.07	13.07
#FFFFFF	1.61	1.00	21.00	21.00
#000000	13.07	21.00	1.00	1.00
##000000	13.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6D489

Deuteranopia (green-blind)

#D3C795

Tritanopia (blue-blind)

#00E3D0

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #51e68f;
/* rgb */ color: rgb(81, 230, 143);
/* oklch */ color: oklch(82.5% 0.176 153.9);

Tailwind

colors: {
  custom: {
    50: '#91efb0',
    500: '#51e68f',
    950: '#000000',
  },
}

SCSS

$custom: #51e68f;
$custom-light: #91efb0;
$custom-dark: #000000;

JSON

{
  "hex": "#51e68f",
  "rgb": {
    "r": 81,
    "g": 230,
    "b": 143
  },
  "hsl": {
    "h": 144.966,
    "s": 74.874,
    "l": 60.98
  },
  "oklch": {
    "l": 0.82486,
    "c": 0.17635,
    "h": 153.9
  },
  "luminance": 0.60326
}

Semantic roles & 50–950 ramp

primary

#51E68F

secondary

#A73477

accent

#0E84D7

background

#FCFFFD

surface

#F5FEF7

border

#CFD6D0

text

#0E1710

muted

#7F8581

Preview Lab

Preview with #51E68F

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

Preview Lab → · Contrast checker → · Palette generator →