#51E174#51E174

#51E174 is a light, vivid green. Relative luminance 0.569; OKLCH L 80.8% C 0.194 H 148.2°. Best body text is #000000 at 12.37:1 contrast (WCAG AA passes).

Color values

HEX	#51E174
RGB	rgb(81, 225, 116)
HSL	hsl(135, 71%, 60%)
HSV	hsv(135, 64%, 88%)
CMYK	cmyk(64%, 0%, 48.4%, 11.8%)
CIE-LAB	lab(80.10, -61.14, 42.04)
CIE-LCH	lch(80.10, 74.20, 145.49°)
OKLab	oklab(80.78% -0.165 0.1022)
OKLCH	oklch(80.78% 0.194 148.2)
XYZ	xyz(33.4685, 56.8573, 25.7304)
Luminance	0.5686 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E174 #E151BE

analogous

#76E151 #51E174 #51E1BC

triadic

#51E174 #7451E1 #E17451

tetradic

#51E174 #5176E1 #E151BE #E1BC51

square

#51E174 #5176E1 #E151BE #E1BC51

split-complementary

#51E174 #BC51E1 #E15176

monochromatic

#1B9D3A #24D14E #51E174 #85EA9E #B9F3C7

Accessibility & contrast

On white

1.70

#51E174 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.37

#51E174 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E174

12.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E174	#FFFFFF	#000000	##000000
##51E174	1.00	1.70	12.37	12.37
#FFFFFF	1.70	1.00	21.00	21.00
#000000	12.37	21.00	1.00	1.00
##000000	12.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E3CE6B

Deuteranopia (green-blind)

#D1C27C

Tritanopia (blue-blind)

#20DDC7

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #51e174;
/* rgb */ color: rgb(81, 225, 116);
/* oklch */ color: oklch(80.8% 0.194 148.2);

Tailwind

colors: {
  custom: {
    50: '#91eb9e',
    500: '#51e174',
    950: '#000000',
  },
}

SCSS

$custom: #51e174;
$custom-light: #91eb9e;
$custom-dark: #000000;

JSON

{
  "hex": "#51e174",
  "rgb": {
    "r": 81,
    "g": 225,
    "b": 116
  },
  "hsl": {
    "h": 134.583,
    "s": 70.588,
    "l": 60
  },
  "oklch": {
    "l": 0.80779,
    "c": 0.19404,
    "h": 148.2
  },
  "luminance": 0.56861
}

Semantic roles & 50–950 ramp

primary

#51E174

secondary

#A03686

accent

#3AC2ED

background

#FCFFFC

surface

#F5FEF5

border

#CFD6CF

text

#0E160E

muted

#7F857F

Preview Lab

Preview with #51E174

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

Preview Lab → · Contrast checker → · Palette generator →