#51E663#51E663

#51E663 is a light, highly saturated green. Relative luminance 0.592; OKLCH L 81.8% C 0.215 H 145.3°. Best body text is #000000 at 12.85:1 contrast (WCAG AA passes).

Color values

HEX	#51E663
RGB	rgb(81, 230, 99)
HSL	hsl(127, 75%, 61%)
HSV	hsv(127, 65%, 90%)
CMYK	cmyk(64.8%, 0%, 57%, 9.8%)
CIE-LAB	lab(81.42, -65.20, 51.60)
CIE-LCH	lch(81.42, 83.15, 141.64°)
OKLab	oklab(81.81% -0.1763 0.1223)
OKLCH	oklch(81.81% 0.215 145.3)
XYZ	xyz(33.9401, 59.2403, 21.4478)
Luminance	0.5924 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E663 #E651D4

analogous

#89E651 #51E663 #51E6AD

triadic

#51E663 #6351E6 #E66351

tetradic

#51E663 #5189E6 #E651D4 #E6AD51

square

#51E663 #5189E6 #E651D4 #E6AD51

split-complementary

#51E663 #AD51E6 #E65189

monochromatic

#18A529 #1FDA36 #51E663 #87EE93 #BCF5C3

Accessibility & contrast

On white

1.63

#51E663 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.85

#51E663 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E663

12.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E663	#FFFFFF	#000000	##000000
##51E663	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)

#EAD256

Deuteranopia (green-blind)

#D7C56D

Tritanopia (blue-blind)

#27E0C9

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #51e663;
/* rgb */ color: rgb(81, 230, 99);
/* oklch */ color: oklch(81.8% 0.215 145.3);

Tailwind

colors: {
  custom: {
    50: '#92ef93',
    500: '#51e663',
    950: '#000000',
  },
}

SCSS

$custom: #51e663;
$custom-light: #92ef93;
$custom-dark: #000000;

JSON

{
  "hex": "#51e663",
  "rgb": {
    "r": 81,
    "g": 230,
    "b": 99
  },
  "hsl": {
    "h": 127.248,
    "s": 74.874,
    "l": 60.98
  },
  "oklch": {
    "l": 0.81808,
    "c": 0.21458,
    "h": 145.3
  },
  "luminance": 0.59244
}

Semantic roles & 50–950 ramp

primary

#51E663

secondary

#A73499

accent

#0EBFD7

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0E170D

muted

#7F857F

Preview Lab

Preview with #51E663

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

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