#51E170#51E170

#51E170 is a light, vivid green. Relative luminance 0.568; OKLCH L 80.7% C 0.198 H 147.5°. Best body text is #000000 at 12.35:1 contrast (WCAG AA passes).

Color values

HEX	#51E170
RGB	rgb(81, 225, 112)
HSL	hsl(133, 71%, 60%)
HSV	hsv(133, 64%, 88%)
CMYK	cmyk(64%, 0%, 50.2%, 11.8%)
CIE-LAB	lab(80.05, -61.73, 43.90)
CIE-LCH	lch(80.05, 75.75, 144.58°)
OKLab	oklab(80.72% -0.1666 0.1061)
OKLCH	oklch(80.72% 0.198 147.5)
XYZ	xyz(33.2408, 56.7662, 24.5313)
Luminance	0.5677 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E170 #E151C2

analogous

#7AE151 #51E170 #51E1B8

triadic

#51E170 #7051E1 #E17051

tetradic

#51E170 #517AE1 #E151C2 #E1B851

square

#51E170 #517AE1 #E151C2 #E1B851

split-complementary

#51E170 #B851E1 #E1517A

monochromatic

#1B9D37 #24D149 #51E170 #85EA9B #B9F3C6

Accessibility & contrast

On white

1.70

#51E170 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.35

#51E170 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E170

12.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E170	#FFFFFF	#000000	##000000
##51E170	1.00	1.70	12.35	12.35
#FFFFFF	1.70	1.00	21.00	21.00
#000000	12.35	21.00	1.00	1.00
##000000	12.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E3CE66

Deuteranopia (green-blind)

#D2C278

Tritanopia (blue-blind)

#23DCC7

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #51e170;
/* rgb */ color: rgb(81, 225, 112);
/* oklch */ color: oklch(80.7% 0.198 147.5);

Tailwind

colors: {
  custom: {
    50: '#91eb9b',
    500: '#51e170',
    950: '#000000',
  },
}

SCSS

$custom: #51e170;
$custom-light: #91eb9b;
$custom-dark: #000000;

JSON

{
  "hex": "#51e170",
  "rgb": {
    "r": 81,
    "g": 225,
    "b": 112
  },
  "hsl": {
    "h": 132.917,
    "s": 70.588,
    "l": 60
  },
  "oklch": {
    "l": 0.8072,
    "c": 0.19754,
    "h": 147.5
  },
  "luminance": 0.5677
}

Semantic roles & 50–950 ramp

primary

#51E170

secondary

#A03689

accent

#3AC7ED

background

#FCFFFC

surface

#F5FEF5

border

#CFD6CF

text

#0E160E

muted

#7F857F

Preview Lab

Preview with #51E170

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

Preview Lab → · Contrast checker → · Palette generator →