#51F280#51F280

#51F280 is a very light, highly saturated green. Relative luminance 0.668; OKLCH L 85.2% C 0.205 H 149.3°. Best body text is #000000 at 14.36:1 contrast (WCAG AA passes).

Color values

HEX	#51F280
RGB	rgb(81, 242, 128)
HSL	hsl(138, 86%, 63%)
HSV	hsv(138, 67%, 95%)
CMYK	cmyk(66.5%, 0%, 47.1%, 5.1%)
CIE-LAB	lab(85.41, -65.43, 42.91)
CIE-LCH	lch(85.41, 78.24, 146.74°)
OKLab	oklab(85.21% -0.1763 0.1046)
OKLCH	oklch(85.21% 0.205 149.3)
XYZ	xyz(39.0387, 66.8079, 31.2557)
Luminance	0.6681 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51F280 #F251C3

analogous

#72F251 #51F280 #51F2D1

triadic

#51F280 #8051F2 #F28051

tetradic

#51F280 #5172F2 #F251C3 #F2D151

square

#51F280 #5172F2 #F251C3 #F2D151

split-complementary

#51F280 #D151F2 #F25172

monochromatic

#0EBB40 #18EE56 #51F280 #8AF6AA #C3FBD3

Accessibility & contrast

On white

1.46

#51F280 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.36

#51F280 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51F280

14.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51F280	#FFFFFF	#000000	##000000
##51F280	1.00	1.46	14.36	14.36
#FFFFFF	1.46	1.00	21.00	21.00
#000000	14.36	21.00	1.00	1.00
##000000	14.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F4DE77

Deuteranopia (green-blind)

#E0D088

Tritanopia (blue-blind)

#00EED7

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #51f280;
/* rgb */ color: rgb(81, 242, 128);
/* oklch */ color: oklch(85.2% 0.205 149.3);

Tailwind

colors: {
  custom: {
    50: '#94f7a6',
    500: '#51f280',
    950: '#000000',
  },
}

SCSS

$custom: #51f280;
$custom-light: #94f7a6;
$custom-dark: #000000;

JSON

{
  "hex": "#51f280",
  "rgb": {
    "r": 81,
    "g": 242,
    "b": 128
  },
  "hsl": {
    "h": 137.516,
    "s": 86.096,
    "l": 63.333
  },
  "oklch": {
    "l": 0.85209,
    "c": 0.20504,
    "h": 149.3
  },
  "luminance": 0.66812
}

Semantic roles & 50–950 ramp

primary

#51F280

secondary

#B92E91

accent

#03A1E3

background

#FCFFFC

surface

#F5FFF6

border

#CFD7D0

text

#0F170F

muted

#808580

Preview Lab

Preview with #51F280

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

Preview Lab → · Contrast checker → · Palette generator →