#51E47E#51E47E

#51E47E is a light, vivid green. Relative luminance 0.587; OKLCH L 81.7% C 0.189 H 150.0°. Best body text is #000000 at 12.75:1 contrast (WCAG AA passes).

Color values

HEX	#51E47E
RGB	rgb(81, 228, 126)
HSL	hsl(138, 73%, 61%)
HSV	hsv(138, 64%, 89%)
CMYK	cmyk(64.5%, 0%, 44.7%, 10.6%)
CIE-LAB	lab(81.15, -60.70, 38.47)
CIE-LCH	lch(81.15, 71.87, 147.63°)
OKLab	oklab(81.69% -0.1637 0.0944)
OKLCH	oklch(81.69% 0.189 150)
XYZ	xyz(34.8999, 58.7389, 29.2331)
Luminance	0.5874 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E47E #E451B7

analogous

#6EE451 #51E47E #51E4C7

triadic

#51E47E #7E51E4 #E47E51

tetradic

#51E47E #516EE4 #E451B7 #E4C751

square

#51E47E #516EE4 #E451B7 #E4C751

split-complementary

#51E47E #C751E4 #E4516E

monochromatic

#19A243 #21D759 #51E47E #86ECA5 #BBF4CD

Accessibility & contrast

On white

1.65

#51E47E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.75

#51E47E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E47E

12.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E47E	#FFFFFF	#000000	##000000
##51E47E	1.00	1.65	12.75	12.75
#FFFFFF	1.65	1.00	21.00	21.00
#000000	12.75	21.00	1.00	1.00
##000000	12.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5D176

Deuteranopia (green-blind)

#D3C485

Tritanopia (blue-blind)

#13E0CB

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #51e47e;
/* rgb */ color: rgb(81, 228, 126);
/* oklch */ color: oklch(81.7% 0.189 150.0);

Tailwind

colors: {
  custom: {
    50: '#91eea5',
    500: '#51e47e',
    950: '#000000',
  },
}

SCSS

$custom: #51e47e;
$custom-light: #91eea5;
$custom-dark: #000000;

JSON

{
  "hex": "#51e47e",
  "rgb": {
    "r": 81,
    "g": 228,
    "b": 126
  },
  "hsl": {
    "h": 138.367,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.81688,
    "c": 0.18902,
    "h": 150
  },
  "luminance": 0.58742
}

Semantic roles & 50–950 ramp

primary

#51E47E

secondary

#A43582

accent

#1099D5

background

#FCFFFC

surface

#F5FEF6

border

#CFD6D0

text

#0E160F

muted

#7F8580

Preview Lab

Preview with #51E47E

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

Preview Lab → · Contrast checker → · Palette generator →