#51E655#51E655

#51E655 is a light, highly saturated green. Relative luminance 0.590; OKLCH L 81.7% C 0.225 H 143.5°. Best body text is #000000 at 12.80:1 contrast (WCAG AA passes).

Color values

HEX	#51E655
RGB	rgb(81, 230, 85)
HSL	hsl(122, 75%, 61%)
HSV	hsv(122, 65%, 90%)
CMYK	cmyk(64.8%, 0%, 63%, 9.8%)
CIE-LAB	lab(81.29, -66.77, 57.52)
CIE-LCH	lch(81.29, 88.13, 139.25°)
OKLab	oklab(81.65% -0.1811 0.1338)
OKLCH	oklch(81.65% 0.225 143.5)
XYZ	xyz(33.3279, 58.9954, 18.2234)
Luminance	0.5900 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E655 #E651E2

analogous

#97E651 #51E655 #51E69F

triadic

#51E655 #5551E6 #E65551

tetradic

#51E655 #5197E6 #E651E2 #E69F51

square

#51E655 #5197E6 #E651E2 #E69F51

split-complementary

#51E655 #9F51E6 #E65197

monochromatic

#18A51B #1FDA24 #51E655 #87EE89 #BCF5BE

Accessibility & contrast

On white

1.64

#51E655 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.80

#51E655 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E655

12.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E655	#FFFFFF	#000000	##000000
##51E655	1.00	1.64	12.80	12.80
#FFFFFF	1.64	1.00	21.00	21.00
#000000	12.80	21.00	1.00	1.00
##000000	12.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EBD144

Deuteranopia (green-blind)

#D9C562

Tritanopia (blue-blind)

#2DE0C8

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #51e655;
/* rgb */ color: rgb(81, 230, 85);
/* oklch */ color: oklch(81.7% 0.225 143.5);

Tailwind

colors: {
  custom: {
    50: '#93ef8a',
    500: '#51e655',
    950: '#000000',
  },
}

SCSS

$custom: #51e655;
$custom-light: #93ef8a;
$custom-dark: #000000;

JSON

{
  "hex": "#51e655",
  "rgb": {
    "r": 81,
    "g": 230,
    "b": 85
  },
  "hsl": {
    "h": 121.611,
    "s": 74.874,
    "l": 60.98
  },
  "oklch": {
    "l": 0.81653,
    "c": 0.22519,
    "h": 143.5
  },
  "luminance": 0.58999
}

Semantic roles & 50–950 ramp

primary

#51E655

secondary

#A734A4

accent

#0ED2D7

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0E170C

muted

#7F857F

Preview Lab

Preview with #51E655

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

Preview Lab → · Contrast checker → · Palette generator →