#51E380#51E380

#51E380 is a light, vivid green. Relative luminance 0.582; OKLCH L 81.5% C 0.186 H 150.6°. Best body text is #000000 at 12.65:1 contrast (WCAG AA passes).

Color values

HEX	#51E380
RGB	rgb(81, 227, 128)
HSL	hsl(139, 72%, 60%)
HSV	hsv(139, 64%, 89%)
CMYK	cmyk(64.3%, 0%, 43.6%, 11%)
CIE-LAB	lab(80.87, -60.01, 37.13)
CIE-LCH	lch(80.87, 70.57, 148.25°)
OKLab	oklab(81.47% -0.1619 0.0914)
OKLCH	oklch(81.47% 0.186 150.6)
XYZ	xyz(34.7560, 58.2424, 29.8281)
Luminance	0.5825 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E380 #E351B4

analogous

#6BE351 #51E380 #51E3C9

triadic

#51E380 #8051E3 #E38051

tetradic

#51E380 #516BE3 #E351B4 #E3C951

square

#51E380 #516BE3 #E351B4 #E3C951

split-complementary

#51E380 #C951E3 #E3516B

monochromatic

#1AA045 #22D55C #51E380 #86EBA6 #BAF4CD

Accessibility & contrast

On white

1.66

#51E380 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.65

#51E380 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E380

12.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E380	#FFFFFF	#000000	##000000
##51E380	1.00	1.66	12.65	12.65
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.65	21.00	1.00	1.00
##000000	12.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4D179

Deuteranopia (green-blind)

#D2C487

Tritanopia (blue-blind)

#11DFCB

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #51e380;
/* rgb */ color: rgb(81, 227, 128);
/* oklch */ color: oklch(81.5% 0.186 150.6);

Tailwind

colors: {
  custom: {
    50: '#91eda6',
    500: '#51e380',
    950: '#000000',
  },
}

SCSS

$custom: #51e380;
$custom-light: #91eda6;
$custom-dark: #000000;

JSON

{
  "hex": "#51e380",
  "rgb": {
    "r": 81,
    "g": 227,
    "b": 128
  },
  "hsl": {
    "h": 139.315,
    "s": 72.277,
    "l": 60.392
  },
  "oklch": {
    "l": 0.81471,
    "c": 0.18594,
    "h": 150.6
  },
  "luminance": 0.58246
}

Semantic roles & 50–950 ramp

primary

#51E380

secondary

#A33580

accent

#1196D4

background

#FCFFFC

surface

#F5FEF6

border

#CFD6D0

text

#0E160F

muted

#7F8580

Preview Lab

Preview with #51E380

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

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