#51E365#51E365

#51E365 is a light, highly saturated green. Relative luminance 0.576; OKLCH L 81.1% C 0.209 H 145.6°. Best body text is #000000 at 12.53:1 contrast (WCAG AA passes).

Color values

HEX	#51E365
RGB	rgb(81, 227, 101)
HSL	hsl(128, 72%, 60%)
HSV	hsv(128, 64%, 89%)
CMYK	cmyk(64.3%, 0%, 55.5%, 11%)
CIE-LAB	lab(80.53, -63.91, 49.64)
CIE-LCH	lch(80.53, 80.92, 142.16°)
OKLab	oklab(81.08% -0.1728 0.1182)
OKLCH	oklch(81.08% 0.209 145.6)
XYZ	xyz(33.2092, 57.6237, 21.6818)
Luminance	0.5763 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E365 #E351CF

analogous

#86E351 #51E365 #51E3AE

triadic

#51E365 #6551E3 #E36551

tetradic

#51E365 #5186E3 #E351CF #E3AE51

square

#51E365 #5186E3 #E351CF #E3AE51

split-complementary

#51E365 #AE51E3 #E35186

monochromatic

#1AA02C #22D53B #51E365 #86EB94 #BAF4C2

Accessibility & contrast

On white

1.68

#51E365 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.53

#51E365 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E365

12.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E365	#FFFFFF	#000000	##000000
##51E365	1.00	1.68	12.53	12.53
#FFFFFF	1.68	1.00	21.00	21.00
#000000	12.53	21.00	1.00	1.00
##000000	12.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6CF59

Deuteranopia (green-blind)

#D4C36F

Tritanopia (blue-blind)

#28DEC7

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #51e365;
/* rgb */ color: rgb(81, 227, 101);
/* oklch */ color: oklch(81.1% 0.209 145.6);

Tailwind

colors: {
  custom: {
    50: '#92ed94',
    500: '#51e365',
    950: '#000000',
  },
}

SCSS

$custom: #51e365;
$custom-light: #92ed94;
$custom-dark: #000000;

JSON

{
  "hex": "#51e365",
  "rgb": {
    "r": 81,
    "g": 227,
    "b": 101
  },
  "hsl": {
    "h": 128.219,
    "s": 72.277,
    "l": 60.392
  },
  "oklch": {
    "l": 0.81075,
    "c": 0.20931,
    "h": 145.6
  },
  "luminance": 0.57627
}

Semantic roles & 50–950 ramp

primary

#51E365

secondary

#A33594

accent

#11BAD4

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0E160D

muted

#7F857F

Preview Lab

Preview with #51E365

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

Preview Lab → · Contrast checker → · Palette generator →