#51E288#51E288

#51E288 is a light, vivid green. Relative luminance 0.579; OKLCH L 81.4% C 0.177 H 152.6°. Best body text is #000000 at 12.58:1 contrast (WCAG AA passes).

Color values

HEX	#51E288
RGB	rgb(81, 226, 136)
HSL	hsl(143, 71%, 60%)
HSV	hsv(143, 64%, 89%)
CMYK	cmyk(64.2%, 0%, 39.8%, 11.4%)
CIE-LAB	lab(80.69, -58.29, 32.88)
CIE-LCH	lch(80.69, 66.93, 150.57°)
OKLab	oklab(81.36% -0.1575 0.0817)
OKLCH	oklch(81.36% 0.177 152.6)
XYZ	xyz(35.0307, 57.9160, 32.6205)
Luminance	0.5792 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E288 #E251AB

analogous

#62E251 #51E288 #51E2D1

triadic

#51E288 #8851E2 #E28851

tetradic

#51E288 #5162E2 #E251AB #E2D151

square

#51E288 #5162E2 #E251AB #E2D151

split-complementary

#51E288 #D151E2 #E25162

monochromatic

#1A9E4C #23D366 #51E288 #85EBAC #BAF3D0

Accessibility & contrast

On white

1.67

#51E288 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.58

#51E288 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E288

12.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E288	#FFFFFF	#000000	##000000
##51E288	1.00	1.67	12.58	12.58
#FFFFFF	1.67	1.00	21.00	21.00
#000000	12.58	21.00	1.00	1.00
##000000	12.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2D082

Deuteranopia (green-blind)

#D0C38E

Tritanopia (blue-blind)

#03DFCC

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #51e288;
/* rgb */ color: rgb(81, 226, 136);
/* oklch */ color: oklch(81.4% 0.177 152.6);

Tailwind

colors: {
  custom: {
    50: '#91ecab',
    500: '#51e288',
    950: '#000000',
  },
}

SCSS

$custom: #51e288;
$custom-light: #91ecab;
$custom-dark: #000000;

JSON

{
  "hex": "#51e288",
  "rgb": {
    "r": 81,
    "g": 226,
    "b": 136
  },
  "hsl": {
    "h": 142.759,
    "s": 71.429,
    "l": 60.196
  },
  "oklch": {
    "l": 0.81362,
    "c": 0.17743,
    "h": 152.6
  },
  "luminance": 0.5792
}

Semantic roles & 50–950 ramp

primary

#51E288

secondary

#A13679

accent

#128AD3

background

#FCFFFD

surface

#F5FEF7

border

#CFD6D0

text

#0E1610

muted

#7F8581

Preview Lab

Preview with #51E288

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

Preview Lab → · Contrast checker → · Palette generator →