#51E480#51E480

#51E480 is a light, vivid green. Relative luminance 0.588; OKLCH L 81.7% C 0.187 H 150.5°. Best body text is #000000 at 12.76:1 contrast (WCAG AA passes).

Color values

HEX	#51E480
RGB	rgb(81, 228, 128)
HSL	hsl(139, 73%, 61%)
HSV	hsv(139, 64%, 89%)
CMYK	cmyk(64.5%, 0%, 43.9%, 10.6%)
CIE-LAB	lab(81.18, -60.38, 37.52)
CIE-LCH	lch(81.18, 71.09, 148.14°)
OKLab	oklab(81.72% -0.1629 0.0923)
OKLCH	oklch(81.72% 0.187 150.5)
XYZ	xyz(35.0303, 58.7910, 29.9196)
Luminance	0.5879 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E480 #E451B5

analogous

#6BE451 #51E480 #51E4CA

triadic

#51E480 #8051E4 #E48051

tetradic

#51E480 #516BE4 #E451B5 #E4CA51

square

#51E480 #516BE4 #E451B5 #E4CA51

split-complementary

#51E480 #CA51E4 #E4516B

monochromatic

#19A245 #21D75B #51E480 #86ECA7 #BBF4CD

Accessibility & contrast

On white

1.65

#51E480 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.76

#51E480 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E480

12.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E480	#FFFFFF	#000000	##000000
##51E480	1.00	1.65	12.76	12.76
#FFFFFF	1.65	1.00	21.00	21.00
#000000	12.76	21.00	1.00	1.00
##000000	12.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5D178

Deuteranopia (green-blind)

#D3C487

Tritanopia (blue-blind)

#10E0CC

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #51e480;
/* rgb */ color: rgb(81, 228, 128);
/* oklch */ color: oklch(81.7% 0.187 150.5);

Tailwind

colors: {
  custom: {
    50: '#91eea6',
    500: '#51e480',
    950: '#000000',
  },
}

SCSS

$custom: #51e480;
$custom-light: #91eea6;
$custom-dark: #000000;

JSON

{
  "hex": "#51e480",
  "rgb": {
    "r": 81,
    "g": 228,
    "b": 128
  },
  "hsl": {
    "h": 139.184,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.81721,
    "c": 0.18723,
    "h": 150.5
  },
  "luminance": 0.58795
}

Semantic roles & 50–950 ramp

primary

#51E480

secondary

#A43581

accent

#1096D5

background

#FCFFFC

surface

#F5FEF6

border

#CFD6D0

text

#0E160F

muted

#7F8580

Preview Lab

Preview with #51E480

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

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