#51E361#51E361

#51E361 is a light, highly saturated green. Relative luminance 0.576; OKLCH L 81.0% C 0.213 H 145.1°. Best body text is #000000 at 12.51:1 contrast (WCAG AA passes).

Color values

HEX	#51E361
RGB	rgb(81, 227, 97)
HSL	hsl(127, 72%, 60%)
HSV	hsv(127, 64%, 89%)
CMYK	cmyk(64.3%, 0%, 57.3%, 11%)
CIE-LAB	lab(80.49, -64.40, 51.40)
CIE-LCH	lch(80.49, 82.40, 141.41°)
OKLab	oklab(81.03% -0.1742 0.1217)
OKLCH	oklch(81.03% 0.213 145.1)
XYZ	xyz(33.0180, 57.5472, 20.6746)
Luminance	0.5755 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E361 #E351D3

analogous

#8AE351 #51E361 #51E3AA

triadic

#51E361 #6151E3 #E36151

tetradic

#51E361 #518AE3 #E351D3 #E3AA51

square

#51E361 #518AE3 #E351D3 #E3AA51

split-complementary

#51E361 #AA51E3 #E3518A

monochromatic

#1AA028 #22D536 #51E361 #86EB91 #BAF4C1

Accessibility & contrast

On white

1.68

#51E361 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.51

#51E361 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E361

12.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E361	#FFFFFF	#000000	##000000
##51E361	1.00	1.68	12.51	12.51
#FFFFFF	1.68	1.00	21.00	21.00
#000000	12.51	21.00	1.00	1.00
##000000	12.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E7CF54

Deuteranopia (green-blind)

#D5C36B

Tritanopia (blue-blind)

#2ADDC6

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #51e361;
/* rgb */ color: rgb(81, 227, 97);
/* oklch */ color: oklch(81.0% 0.213 145.1);

Tailwind

colors: {
  custom: {
    50: '#92ed91',
    500: '#51e361',
    950: '#000000',
  },
}

SCSS

$custom: #51e361;
$custom-light: #92ed91;
$custom-dark: #000000;

JSON

{
  "hex": "#51e361",
  "rgb": {
    "r": 81,
    "g": 227,
    "b": 97
  },
  "hsl": {
    "h": 126.575,
    "s": 72.277,
    "l": 60.392
  },
  "oklch": {
    "l": 0.81026,
    "c": 0.21253,
    "h": 145.1
  },
  "luminance": 0.57551
}

Semantic roles & 50–950 ramp

primary

#51E361

secondary

#A33597

accent

#11BFD4

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0E160D

muted

#7F857F

Preview Lab

Preview with #51E361

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

Preview Lab → · Contrast checker → · Palette generator →