#51E345#51E345

#51E345 is a light, highly saturated green. Relative luminance 0.571; OKLCH L 80.7% C 0.232 H 142.0°. Best body text is #000000 at 12.42:1 contrast (WCAG AA passes).

Color values

HEX	#51E345
RGB	rgb(81, 227, 69)
HSL	hsl(115, 74%, 58%)
HSV	hsv(115, 70%, 89%)
CMYK	cmyk(64.3%, 0%, 69.6%, 11%)
CIE-LAB	lab(80.24, -67.24, 62.71)
CIE-LCH	lch(80.24, 91.95, 137.00°)
OKLab	oklab(80.75% -0.1832 0.143)
OKLCH	oklch(80.75% 0.232 142)
XYZ	xyz(31.9349, 57.1140, 14.9702)
Luminance	0.5712 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E345 #D745E3

analogous

#A0E345 #51E345 #45E388

triadic

#51E345 #4551E3 #E34551

tetradic

#51E345 #45A0E3 #D745E3 #E38845

square

#51E345 #45A0E3 #D745E3 #E38845

split-complementary

#51E345 #8845E3 #E345A0

monochromatic

#209717 #2CCC1F #51E345 #83EB7A #B5F3AF

Accessibility & contrast

On white

1.69

#51E345 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.42

#51E345 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E345

12.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E345	#FFFFFF	#000000	##000000
##51E345	1.00	1.69	12.42	12.42
#FFFFFF	1.69	1.00	21.00	21.00
#000000	12.42	21.00	1.00	1.00
##000000	12.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E8CE2C

Deuteranopia (green-blind)

#D7C254

Tritanopia (blue-blind)

#33DCC4

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #51e345;
/* rgb */ color: rgb(81, 227, 69);
/* oklch */ color: oklch(80.7% 0.232 142.0);

Tailwind

colors: {
  custom: {
    50: '#93ed81',
    500: '#51e345',
    950: '#000000',
  },
}

SCSS

$custom: #51e345;
$custom-light: #93ed81;
$custom-dark: #000000;

JSON

{
  "hex": "#51e345",
  "rgb": {
    "r": 81,
    "g": 227,
    "b": 69
  },
  "hsl": {
    "h": 115.443,
    "s": 73.832,
    "l": 58.039
  },
  "oklch": {
    "l": 0.80747,
    "c": 0.2324,
    "h": 142
  },
  "luminance": 0.57117
}

Semantic roles & 50–950 ramp

primary

#51E345

secondary

#93319B

accent

#37F0E2

background

#FCFFFB

surface

#F5FEF2

border

#CFD6CC

text

#0F160B

muted

#80857E

Preview Lab

Preview with #51E345

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

Preview Lab → · Contrast checker → · Palette generator →