#51E390#51E390

#51E390 is a light, vivid green. Relative luminance 0.587; OKLCH L 81.8% C 0.172 H 154.6°. Best body text is #000000 at 12.74:1 contrast (WCAG AA passes).

Color values

HEX	#51E390
RGB	rgb(81, 227, 144)
HSL	hsl(146, 72%, 60%)
HSV	hsv(146, 64%, 89%)
CMYK	cmyk(64.3%, 0%, 36.6%, 11%)
CIE-LAB	lab(81.12, -57.24, 29.39)
CIE-LCH	lch(81.12, 64.34, 152.82°)
OKLab	oklab(81.76% -0.1549 0.0736)
OKLCH	oklch(81.76% 0.172 154.6)
XYZ	xyz(35.8934, 58.6973, 35.8183)
Luminance	0.5870 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E390 #E351A4

analogous

#5BE351 #51E390 #51E3D9

triadic

#51E390 #9051E3 #E39051

tetradic

#51E390 #515BE3 #E351A4 #E3D951

square

#51E390 #515BE3 #E351A4 #E3D951

split-complementary

#51E390 #D951E3 #E3515B

monochromatic

#1AA054 #22D56F #51E390 #86EBB2 #BAF4D3

Accessibility & contrast

On white

1.65

#51E390 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.74

#51E390 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E390

12.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E390	#FFFFFF	#000000	##000000
##51E390	1.00	1.65	12.74	12.74
#FFFFFF	1.65	1.00	21.00	21.00
#000000	12.74	21.00	1.00	1.00
##000000	12.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2D28A

Deuteranopia (green-blind)

#D0C495

Tritanopia (blue-blind)

#00E1CE

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #51e390;
/* rgb */ color: rgb(81, 227, 144);
/* oklch */ color: oklch(81.8% 0.172 154.6);

Tailwind

colors: {
  custom: {
    50: '#91edb1',
    500: '#51e390',
    950: '#000000',
  },
}

SCSS

$custom: #51e390;
$custom-light: #91edb1;
$custom-dark: #000000;

JSON

{
  "hex": "#51e390",
  "rgb": {
    "r": 81,
    "g": 227,
    "b": 144
  },
  "hsl": {
    "h": 145.89,
    "s": 72.277,
    "l": 60.392
  },
  "oklch": {
    "l": 0.81761,
    "c": 0.17153,
    "h": 154.6
  },
  "luminance": 0.58701
}

Semantic roles & 50–950 ramp

primary

#51E390

secondary

#A33574

accent

#1180D4

background

#FCFFFD

surface

#F5FEF7

border

#CFD6D0

text

#0E1610

muted

#7F8581

Preview Lab

Preview with #51E390

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

Preview Lab → · Contrast checker → · Palette generator →