#51E688#51E688

#51E688 is a very light, vivid green. Relative luminance 0.601; OKLCH L 82.4% C 0.183 H 152.1°. Best body text is #000000 at 13.02:1 contrast (WCAG AA passes).

Color values

HEX	#51E688
RGB	rgb(81, 230, 136)
HSL	hsl(142, 75%, 61%)
HSV	hsv(142, 65%, 90%)
CMYK	cmyk(64.8%, 0%, 40.9%, 9.8%)
CIE-LAB	lab(81.90, -59.79, 34.47)
CIE-LCH	lch(81.90, 69.01, 150.03°)
OKLab	oklab(82.36% -0.1614 0.0855)
OKLCH	oklch(82.36% 0.183 152.1)
XYZ	xyz(36.1311, 60.1167, 32.9873)
Luminance	0.6012 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E688 #E651AF

analogous

#64E651 #51E688 #51E6D3

triadic

#51E688 #8851E6 #E68851

tetradic

#51E688 #5164E6 #E651AF #E6D351

square

#51E688 #5164E6 #E651AF #E6D351

split-complementary

#51E688 #D351E6 #E65164

monochromatic

#18A54C #1FDA64 #51E688 #87EEAD #BCF5D1

Accessibility & contrast

On white

1.61

#51E688 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.02

#51E688 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E688

13.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E688	#FFFFFF	#000000	##000000
##51E688	1.00	1.61	13.02	13.02
#FFFFFF	1.61	1.00	21.00	21.00
#000000	13.02	21.00	1.00	1.00
##000000	13.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6D481

Deuteranopia (green-blind)

#D4C68E

Tritanopia (blue-blind)

#00E3CF

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #51e688;
/* rgb */ color: rgb(81, 230, 136);
/* oklch */ color: oklch(82.4% 0.183 152.1);

Tailwind

colors: {
  custom: {
    50: '#91efab',
    500: '#51e688',
    950: '#000000',
  },
}

SCSS

$custom: #51e688;
$custom-light: #91efab;
$custom-dark: #000000;

JSON

{
  "hex": "#51e688",
  "rgb": {
    "r": 81,
    "g": 230,
    "b": 136
  },
  "hsl": {
    "h": 142.148,
    "s": 74.874,
    "l": 60.98
  },
  "oklch": {
    "l": 0.82357,
    "c": 0.18264,
    "h": 152.1
  },
  "luminance": 0.60121
}

Semantic roles & 50–950 ramp

primary

#51E688

secondary

#A7347D

accent

#0E8DD7

background

#FCFFFD

surface

#F5FEF7

border

#CFD6D0

text

#0E1710

muted

#7F8581

Preview Lab

Preview with #51E688

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

Preview Lab → · Contrast checker → · Palette generator →