#51F28F#51F28F

#51F28F is a very light, vivid green. Relative luminance 0.672; OKLCH L 85.5% C 0.192 H 152.4°. Best body text is #000000 at 14.45:1 contrast (WCAG AA passes).

Color values

HEX	#51F28F
RGB	rgb(81, 242, 143)
HSL	hsl(143, 86%, 63%)
HSV	hsv(143, 67%, 95%)
CMYK	cmyk(66.5%, 0%, 40.9%, 5.1%)
CIE-LAB	lab(85.62, -63.02, 35.84)
CIE-LCH	lch(85.62, 72.49, 150.37°)
OKLab	oklab(85.46% -0.17 0.0888)
OKLCH	oklch(85.46% 0.192 152.4)
XYZ	xyz(40.1000, 67.2324, 36.8451)
Luminance	0.6724 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51F28F #F251B4

analogous

#63F251 #51F28F #51F2E0

triadic

#51F28F #8F51F2 #F28F51

tetradic

#51F28F #5163F2 #F251B4 #F2E051

square

#51F28F #5163F2 #F251B4 #F2E051

split-complementary

#51F28F #E051F2 #F25163

monochromatic

#0EBB50 #18EE6A #51F28F #8AF6B4 #C3FBD8

Accessibility & contrast

On white

1.45

#51F28F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.45

#51F28F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51F28F

14.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51F28F	#FFFFFF	#000000	##000000
##51F28F	1.00	1.45	14.45	14.45
#FFFFFF	1.45	1.00	21.00	21.00
#000000	14.45	21.00	1.00	1.00
##000000	14.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F2DF88

Deuteranopia (green-blind)

#DED096

Tritanopia (blue-blind)

#00EFDA

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #51f28f;
/* rgb */ color: rgb(81, 242, 143);
/* oklch */ color: oklch(85.5% 0.192 152.4);

Tailwind

colors: {
  custom: {
    50: '#93f7b1',
    500: '#51f28f',
    950: '#000000',
  },
}

SCSS

$custom: #51f28f;
$custom-light: #93f7b1;
$custom-dark: #000000;

JSON

{
  "hex": "#51f28f",
  "rgb": {
    "r": 81,
    "g": 242,
    "b": 143
  },
  "hsl": {
    "h": 143.106,
    "s": 86.096,
    "l": 63.333
  },
  "oklch": {
    "l": 0.85456,
    "c": 0.19184,
    "h": 152.4
  },
  "luminance": 0.67237
}

Semantic roles & 50–950 ramp

primary

#51F28F

secondary

#B92E84

accent

#038CE3

background

#FCFFFD

surface

#F5FFF7

border

#CFD7D0

text

#0F1711

muted

#808581

Preview Lab

Preview with #51F28F

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

Preview Lab → · Contrast checker → · Palette generator →