#51E647#51E647

#51E647 is a light, highly saturated green. Relative luminance 0.588; OKLCH L 81.5% C 0.235 H 142.2°. Best body text is #000000 at 12.76:1 contrast (WCAG AA passes).

Color values

HEX	#51E647
RGB	rgb(81, 230, 71)
HSL	hsl(116, 76%, 59%)
HSV	hsv(116, 69%, 90%)
CMYK	cmyk(64.8%, 0%, 69.1%, 9.8%)
CIE-LAB	lab(81.18, -68.07, 62.94)
CIE-LCH	lch(81.18, 92.71, 137.24°)
OKLab	oklab(81.53% -0.1853 0.1437)
OKLCH	oklch(81.53% 0.235 142.2)
XYZ	xyz(32.8257, 58.7946, 15.5786)
Luminance	0.5880 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E647 #DC47E6

analogous

#A1E647 #51E647 #47E68C

triadic

#51E647 #4751E6 #E64751

tetradic

#51E647 #47A1E6 #DC47E6 #E68C47

square

#51E647 #47A1E6 #DC47E6 #E68C47

split-complementary

#51E647 #8C47E6 #E647A1

monochromatic

#1E9D15 #28D31D #51E647 #84ED7D #B7F5B3

Accessibility & contrast

On white

1.65

#51E647 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.76

#51E647 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E647

12.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E647	#FFFFFF	#000000	##000000
##51E647	1.00	1.65	12.76	12.76
#FFFFFF	1.65	1.00	21.00	21.00
#000000	12.76	21.00	1.00	1.00
##000000	12.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EBD12F

Deuteranopia (green-blind)

#D9C556

Tritanopia (blue-blind)

#32DFC6

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #51e647;
/* rgb */ color: rgb(81, 230, 71);
/* oklch */ color: oklch(81.5% 0.235 142.2);

Tailwind

colors: {
  custom: {
    50: '#94ef82',
    500: '#51e647',
    950: '#000000',
  },
}

SCSS

$custom: #51e647;
$custom-light: #94ef82;
$custom-dark: #000000;

JSON

{
  "hex": "#51e647",
  "rgb": {
    "r": 81,
    "g": 230,
    "b": 71
  },
  "hsl": {
    "h": 116.226,
    "s": 76.077,
    "l": 59.02
  },
  "oklch": {
    "l": 0.81526,
    "c": 0.23453,
    "h": 142.2
  },
  "luminance": 0.58798
}

Semantic roles & 50–950 ramp

primary

#51E647

secondary

#9931A0

accent

#35F3E7

background

#FCFFFB

surface

#F5FEF2

border

#CFD6CC

text

#0F170B

muted

#80857E

Preview Lab

Preview with #51E647

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

Preview Lab → · Contrast checker → · Palette generator →