#51E664#51E664

#51E664 is a light, highly saturated green. Relative luminance 0.593; OKLCH L 81.8% C 0.214 H 145.4°. Best body text is #000000 at 12.85:1 contrast (WCAG AA passes).

Color values

HEX	#51E664
RGB	rgb(81, 230, 100)
HSL	hsl(128, 75%, 61%)
HSV	hsv(128, 65%, 90%)
CMYK	cmyk(64.8%, 0%, 56.5%, 9.8%)
CIE-LAB	lab(81.43, -65.08, 51.16)
CIE-LCH	lch(81.43, 82.78, 141.83°)
OKLab	oklab(81.82% -0.1759 0.1214)
OKLCH	oklch(81.82% 0.214 145.4)
XYZ	xyz(33.9882, 59.2596, 21.7012)
Luminance	0.5926 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E664 #E651D3

analogous

#88E651 #51E664 #51E6AE

triadic

#51E664 #6451E6 #E66451

tetradic

#51E664 #5188E6 #E651D3 #E6AE51

square

#51E664 #5188E6 #E651D3 #E6AE51

split-complementary

#51E664 #AE51E6 #E65188

monochromatic

#18A52A #1FDA37 #51E664 #87EE94 #BCF5C3

Accessibility & contrast

On white

1.63

#51E664 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.85

#51E664 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E664

12.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E664	#FFFFFF	#000000	##000000
##51E664	1.00	1.63	12.85	12.85
#FFFFFF	1.63	1.00	21.00	21.00
#000000	12.85	21.00	1.00	1.00
##000000	12.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EAD257

Deuteranopia (green-blind)

#D7C56E

Tritanopia (blue-blind)

#26E0C9

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #51e664;
/* rgb */ color: rgb(81, 230, 100);
/* oklch */ color: oklch(81.8% 0.214 145.4);

Tailwind

colors: {
  custom: {
    50: '#92ef94',
    500: '#51e664',
    950: '#000000',
  },
}

SCSS

$custom: #51e664;
$custom-light: #92ef94;
$custom-dark: #000000;

JSON

{
  "hex": "#51e664",
  "rgb": {
    "r": 81,
    "g": 230,
    "b": 100
  },
  "hsl": {
    "h": 127.651,
    "s": 74.874,
    "l": 60.98
  },
  "oklch": {
    "l": 0.8182,
    "c": 0.21378,
    "h": 145.4
  },
  "luminance": 0.59263
}

Semantic roles & 50–950 ramp

primary

#51E664

secondary

#A73498

accent

#0EBDD7

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0E170D

muted

#7F857F

Preview Lab

Preview with #51E664

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

Preview Lab → · Contrast checker → · Palette generator →