#51E570#51E570

#51E570 is a light, highly saturated green. Relative luminance 0.590; OKLCH L 81.7% C 0.203 H 147.3°. Best body text is #000000 at 12.79:1 contrast (WCAG AA passes).

Color values

HEX	#51E570
RGB	rgb(81, 229, 112)
HSL	hsl(133, 74%, 61%)
HSV	hsv(133, 65%, 90%)
CMYK	cmyk(64.6%, 0%, 51.1%, 10.2%)
CIE-LAB	lab(81.27, -63.15, 45.40)
CIE-LCH	lch(81.27, 77.78, 144.29°)
OKLab	oklab(81.73% -0.1704 0.1095)
OKLCH	oklch(81.73% 0.203 147.3)
XYZ	xyz(34.3349, 58.9543, 24.8959)
Luminance	0.5896 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E570 #E551C6

analogous

#7CE551 #51E570 #51E5BA

triadic

#51E570 #7051E5 #E57051

tetradic

#51E570 #517CE5 #E551C6 #E5BA51

square

#51E570 #517CE5 #E551C6 #E5BA51

split-complementary

#51E570 #BA51E5 #E5517C

monochromatic

#18A335 #20D847 #51E570 #86ED9C #BBF5C8

Accessibility & contrast

On white

1.64

#51E570 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.79

#51E570 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E570

12.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E570	#FFFFFF	#000000	##000000
##51E570	1.00	1.64	12.79	12.79
#FFFFFF	1.64	1.00	21.00	21.00
#000000	12.79	21.00	1.00	1.00
##000000	12.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E8D266

Deuteranopia (green-blind)

#D5C579

Tritanopia (blue-blind)

#20E0CA

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #51e570;
/* rgb */ color: rgb(81, 229, 112);
/* oklch */ color: oklch(81.7% 0.203 147.3);

Tailwind

colors: {
  custom: {
    50: '#92ee9b',
    500: '#51e570',
    950: '#000000',
  },
}

SCSS

$custom: #51e570;
$custom-light: #92ee9b;
$custom-dark: #000000;

JSON

{
  "hex": "#51e570",
  "rgb": {
    "r": 81,
    "g": 229,
    "b": 112
  },
  "hsl": {
    "h": 132.568,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.81726,
    "c": 0.20258,
    "h": 147.3
  },
  "luminance": 0.58958
}

Semantic roles & 50–950 ramp

primary

#51E570

secondary

#A6358E

accent

#0FACD6

background

#FCFFFC

surface

#F5FEF5

border

#CFD6CF

text

#0E160E

muted

#7F857F

Preview Lab

Preview with #51E570

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

Preview Lab → · Contrast checker → · Palette generator →