#51E47D#51E47D

#51E47D is a light, vivid green. Relative luminance 0.587; OKLCH L 81.7% C 0.190 H 149.8°. Best body text is #000000 at 12.74:1 contrast (WCAG AA passes).

Color values

HEX	#51E47D
RGB	rgb(81, 228, 125)
HSL	hsl(138, 73%, 61%)
HSV	hsv(138, 64%, 89%)
CMYK	cmyk(64.5%, 0%, 45.2%, 10.6%)
CIE-LAB	lab(81.13, -60.86, 38.95)
CIE-LCH	lch(81.13, 72.25, 147.38°)
OKLab	oklab(81.67% -0.1642 0.0955)
OKLCH	oklch(81.67% 0.19 149.8)
XYZ	xyz(34.8357, 58.7132, 28.8950)
Luminance	0.5872 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E47D #E451B8

analogous

#6EE451 #51E47D #51E4C6

triadic

#51E47D #7D51E4 #E47D51

tetradic

#51E47D #516EE4 #E451B8 #E4C651

square

#51E47D #516EE4 #E451B8 #E4C651

split-complementary

#51E47D #C651E4 #E4516E

monochromatic

#19A242 #21D758 #51E47D #86ECA5 #BBF4CC

Accessibility & contrast

On white

1.65

#51E47D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.74

#51E47D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E47D

12.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E47D	#FFFFFF	#000000	##000000
##51E47D	1.00	1.65	12.74	12.74
#FFFFFF	1.65	1.00	21.00	21.00
#000000	12.74	21.00	1.00	1.00
##000000	12.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5D175

Deuteranopia (green-blind)

#D3C484

Tritanopia (blue-blind)

#14E0CB

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #51e47d;
/* rgb */ color: rgb(81, 228, 125);
/* oklch */ color: oklch(81.7% 0.190 149.8);

Tailwind

colors: {
  custom: {
    50: '#91eea4',
    500: '#51e47d',
    950: '#000000',
  },
}

SCSS

$custom: #51e47d;
$custom-light: #91eea4;
$custom-dark: #000000;

JSON

{
  "hex": "#51e47d",
  "rgb": {
    "r": 81,
    "g": 228,
    "b": 125
  },
  "hsl": {
    "h": 137.959,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.81672,
    "c": 0.18991,
    "h": 149.8
  },
  "luminance": 0.58717
}

Semantic roles & 50–950 ramp

primary

#51E47D

secondary

#A43583

accent

#109AD5

background

#FCFFFC

surface

#F5FEF6

border

#CFD6D0

text

#0E160F

muted

#7F8580

Preview Lab

Preview with #51E47D

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

Preview Lab → · Contrast checker → · Palette generator →