#51E488#51E488

#51E488 is a light, vivid green. Relative luminance 0.590; OKLCH L 81.9% C 0.180 H 152.3°. Best body text is #000000 at 12.80:1 contrast (WCAG AA passes).

Color values

HEX	#51E488
RGB	rgb(81, 228, 136)
HSL	hsl(142, 73%, 61%)
HSV	hsv(142, 64%, 89%)
CMYK	cmyk(64.5%, 0%, 40.4%, 10.6%)
CIE-LAB	lab(81.30, -59.04, 33.68)
CIE-LCH	lch(81.30, 67.97, 150.30°)
OKLab	oklab(81.86% -0.1594 0.0836)
OKLCH	oklch(81.86% 0.18 152.3)
XYZ	xyz(35.5777, 59.0100, 32.8029)
Luminance	0.5901 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E488 #E451AD

analogous

#63E451 #51E488 #51E4D1

triadic

#51E488 #8851E4 #E48851

tetradic

#51E488 #5163E4 #E451AD #E4D151

square

#51E488 #5163E4 #E451AD #E4D151

split-complementary

#51E488 #D151E4 #E45163

monochromatic

#19A24C #21D765 #51E488 #86ECAC #BBF4D0

Accessibility & contrast

On white

1.64

#51E488 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.80

#51E488 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E488

12.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E488	#FFFFFF	#000000	##000000
##51E488	1.00	1.64	12.80	12.80
#FFFFFF	1.64	1.00	21.00	21.00
#000000	12.80	21.00	1.00	1.00
##000000	12.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4D281

Deuteranopia (green-blind)

#D2C58E

Tritanopia (blue-blind)

#00E1CD

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #51e488;
/* rgb */ color: rgb(81, 228, 136);
/* oklch */ color: oklch(81.9% 0.180 152.3);

Tailwind

colors: {
  custom: {
    50: '#91edab',
    500: '#51e488',
    950: '#000000',
  },
}

SCSS

$custom: #51e488;
$custom-light: #91edab;
$custom-dark: #000000;

JSON

{
  "hex": "#51e488",
  "rgb": {
    "r": 81,
    "g": 228,
    "b": 136
  },
  "hsl": {
    "h": 142.449,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.8186,
    "c": 0.18003,
    "h": 152.3
  },
  "luminance": 0.59014
}

Semantic roles & 50–950 ramp

primary

#51E488

secondary

#A4357B

accent

#108CD5

background

#FCFFFD

surface

#F5FEF7

border

#CFD6D0

text

#0E1610

muted

#7F8581

Preview Lab

Preview with #51E488

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

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