#51E471#51E471

#51E471 is a light, highly saturated green. Relative luminance 0.584; OKLCH L 81.5% C 0.200 H 147.5°. Best body text is #000000 at 12.69:1 contrast (WCAG AA passes).

Color values

HEX	#51E471
RGB	rgb(81, 228, 113)
HSL	hsl(133, 73%, 61%)
HSV	hsv(133, 64%, 89%)
CMYK	cmyk(64.5%, 0%, 50.4%, 10.6%)
CIE-LAB	lab(80.97, -62.66, 44.57)
CIE-LCH	lch(80.97, 76.89, 144.58°)
OKLab	oklab(81.49% -0.1691 0.1077)
OKLCH	oklch(81.49% 0.2 147.5)
XYZ	xyz(34.1150, 58.4249, 25.0988)
Luminance	0.5843 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E471 #E451C4

analogous

#7AE451 #51E471 #51E4BA

triadic

#51E471 #7151E4 #E47151

tetradic

#51E471 #517AE4 #E451C4 #E4BA51

square

#51E471 #517AE4 #E451C4 #E4BA51

split-complementary

#51E471 #BA51E4 #E4517A

monochromatic

#19A237 #21D749 #51E471 #86EC9C #BBF4C7

Accessibility & contrast

On white

1.66

#51E471 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.69

#51E471 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E471

12.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E471	#FFFFFF	#000000	##000000
##51E471	1.00	1.66	12.69	12.69
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.69	21.00	1.00	1.00
##000000	12.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E7D167

Deuteranopia (green-blind)

#D4C479

Tritanopia (blue-blind)

#20DFC9

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #51e471;
/* rgb */ color: rgb(81, 228, 113);
/* oklch */ color: oklch(81.5% 0.200 147.5);

Tailwind

colors: {
  custom: {
    50: '#92ee9c',
    500: '#51e471',
    950: '#000000',
  },
}

SCSS

$custom: #51e471;
$custom-light: #92ee9c;
$custom-dark: #000000;

JSON

{
  "hex": "#51e471",
  "rgb": {
    "r": 81,
    "g": 228,
    "b": 113
  },
  "hsl": {
    "h": 133.061,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.81489,
    "c": 0.20046,
    "h": 147.5
  },
  "luminance": 0.58428
}

Semantic roles & 50–950 ramp

primary

#51E471

secondary

#A4358C

accent

#10AAD5

background

#FCFFFC

surface

#F5FEF5

border

#CFD6CF

text

#0E160E

muted

#7F857F

Preview Lab

Preview with #51E471

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

Preview Lab → · Contrast checker → · Palette generator →