#51F278#51F278

#51F278 is a very light, highly saturated green. Relative luminance 0.666; OKLCH L 85.1% C 0.212 H 147.9°. Best body text is #000000 at 14.32:1 contrast (WCAG AA passes).

Color values

HEX	#51F278
RGB	rgb(81, 242, 120)
HSL	hsl(135, 86%, 63%)
HSV	hsv(135, 67%, 95%)
CMYK	cmyk(66.5%, 0%, 50.4%, 5.1%)
CIE-LAB	lab(85.30, -66.60, 46.59)
CIE-LCH	lch(85.30, 81.28, 145.03°)
OKLab	oklab(85.09% -0.1795 0.1126)
OKLCH	oklch(85.09% 0.212 147.9)
XYZ	xyz(38.5328, 66.6055, 28.5911)
Luminance	0.6661 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51F278 #F251CB

analogous

#7AF251 #51F278 #51F2C8

triadic

#51F278 #7851F2 #F27851

tetradic

#51F278 #517AF2 #F251CB #F2C851

square

#51F278 #517AF2 #F251CB #F2C851

split-complementary

#51F278 #C851F2 #F2517A

monochromatic

#0EBB38 #18EE4C #51F278 #8AF6A4 #C3FBD0

Accessibility & contrast

On white

1.47

#51F278 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.32

#51F278 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51F278

14.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51F278	#FFFFFF	#000000	##000000
##51F278	1.00	1.47	14.32	14.32
#FFFFFF	1.47	1.00	21.00	21.00
#000000	14.32	21.00	1.00	1.00
##000000	14.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F4DD6E

Deuteranopia (green-blind)

#E1D081

Tritanopia (blue-blind)

#05EDD6

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #51f278;
/* rgb */ color: rgb(81, 242, 120);
/* oklch */ color: oklch(85.1% 0.212 147.9);

Tailwind

colors: {
  custom: {
    50: '#94f8a1',
    500: '#51f278',
    950: '#000000',
  },
}

SCSS

$custom: #51f278;
$custom-light: #94f8a1;
$custom-dark: #000000;

JSON

{
  "hex": "#51f278",
  "rgb": {
    "r": 81,
    "g": 242,
    "b": 120
  },
  "hsl": {
    "h": 134.534,
    "s": 86.096,
    "l": 63.333
  },
  "oklch": {
    "l": 0.85091,
    "c": 0.21192,
    "h": 147.9
  },
  "luminance": 0.6661
}

Semantic roles & 50–950 ramp

primary

#51F278

secondary

#B92E98

accent

#03ACE3

background

#FCFFFC

surface

#F5FFF5

border

#CFD7CF

text

#0F170F

muted

#808580

Preview Lab

Preview with #51F278

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

Preview Lab → · Contrast checker → · Palette generator →