#51E463#51E463

#51E463 is a light, highly saturated green. Relative luminance 0.581; OKLCH L 81.3% C 0.212 H 145.3°. Best body text is #000000 at 12.63:1 contrast (WCAG AA passes).

Color values

HEX	#51E463
RGB	rgb(81, 228, 99)
HSL	hsl(127, 73%, 61%)
HSV	hsv(127, 64%, 89%)
CMYK	cmyk(64.5%, 0%, 56.6%, 10.6%)
CIE-LAB	lab(80.81, -64.51, 50.88)
CIE-LCH	lch(80.81, 82.16, 141.73°)
OKLab	oklab(81.3% -0.1744 0.1207)
OKLCH	oklch(81.3% 0.212 145.3)
XYZ	xyz(33.3867, 58.1336, 21.2634)
Luminance	0.5814 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E463 #E451D2

analogous

#88E451 #51E463 #51E4AC

triadic

#51E463 #6351E4 #E46351

tetradic

#51E463 #5188E4 #E451D2 #E4AC51

square

#51E463 #5188E4 #E451D2 #E4AC51

split-complementary

#51E463 #AC51E4 #E45188

monochromatic

#19A22A #21D737 #51E463 #86EC92 #BBF4C2

Accessibility & contrast

On white

1.66

#51E463 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.63

#51E463 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E463

12.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E463	#FFFFFF	#000000	##000000
##51E463	1.00	1.66	12.63	12.63
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.63	21.00	1.00	1.00
##000000	12.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E8D056

Deuteranopia (green-blind)

#D6C46D

Tritanopia (blue-blind)

#28DEC8

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #51e463;
/* rgb */ color: rgb(81, 228, 99);
/* oklch */ color: oklch(81.3% 0.212 145.3);

Tailwind

colors: {
  custom: {
    50: '#92ee93',
    500: '#51e463',
    950: '#000000',
  },
}

SCSS

$custom: #51e463;
$custom-light: #92ee93;
$custom-dark: #000000;

JSON

{
  "hex": "#51e463",
  "rgb": {
    "r": 81,
    "g": 228,
    "b": 99
  },
  "hsl": {
    "h": 127.347,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.81303,
    "c": 0.21215,
    "h": 145.3
  },
  "luminance": 0.58137
}

Semantic roles & 50–950 ramp

primary

#51E463

secondary

#A43597

accent

#10BDD5

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0E160D

muted

#7F857F

Preview Lab

Preview with #51E463

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

Preview Lab → · Contrast checker → · Palette generator →