#51E375#51E375

#51E375 is a light, vivid green. Relative luminance 0.580; OKLCH L 81.3% C 0.196 H 148.3°. Best body text is #000000 at 12.59:1 contrast (WCAG AA passes).

Color values

HEX	#51E375
RGB	rgb(81, 227, 117)
HSL	hsl(135, 72%, 60%)
HSV	hsv(135, 64%, 89%)
CMYK	cmyk(64.3%, 0%, 48.5%, 11%)
CIE-LAB	lab(80.72, -61.72, 42.33)
CIE-LCH	lch(80.72, 74.84, 145.55°)
OKLab	oklab(81.3% -0.1665 0.1029)
OKLCH	oklch(81.3% 0.196 148.3)
XYZ	xyz(34.0708, 57.9683, 26.2196)
Luminance	0.5797 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E375 #E351BF

analogous

#76E351 #51E375 #51E3BE

triadic

#51E375 #7551E3 #E37551

tetradic

#51E375 #5176E3 #E351BF #E3BE51

square

#51E375 #5176E3 #E351BF #E3BE51

split-complementary

#51E375 #BE51E3 #E35176

monochromatic

#1AA03B #22D54E #51E375 #86EB9F #BAF4C9

Accessibility & contrast

On white

1.67

#51E375 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.59

#51E375 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E375

12.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E375	#FFFFFF	#000000	##000000
##51E375	1.00	1.67	12.59	12.59
#FFFFFF	1.67	1.00	21.00	21.00
#000000	12.59	21.00	1.00	1.00
##000000	12.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5D06C

Deuteranopia (green-blind)

#D3C37D

Tritanopia (blue-blind)

#1DDFC9

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #51e375;
/* rgb */ color: rgb(81, 227, 117);
/* oklch */ color: oklch(81.3% 0.196 148.3);

Tailwind

colors: {
  custom: {
    50: '#91ed9e',
    500: '#51e375',
    950: '#000000',
  },
}

SCSS

$custom: #51e375;
$custom-light: #91ed9e;
$custom-dark: #000000;

JSON

{
  "hex": "#51e375",
  "rgb": {
    "r": 81,
    "g": 227,
    "b": 117
  },
  "hsl": {
    "h": 134.795,
    "s": 72.277,
    "l": 60.392
  },
  "oklch": {
    "l": 0.81296,
    "c": 0.19572,
    "h": 148.3
  },
  "luminance": 0.57972
}

Semantic roles & 50–950 ramp

primary

#51E375

secondary

#A33588

accent

#11A4D4

background

#FCFFFC

surface

#F5FEF5

border

#CFD6CF

text

#0E160E

muted

#7F857F

Preview Lab

Preview with #51E375

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

Preview Lab → · Contrast checker → · Palette generator →