#51F28B#51F28B

#51F28B is a very light, vivid green. Relative luminance 0.671; OKLCH L 85.4% C 0.195 H 151.5°. Best body text is #000000 at 14.42:1 contrast (WCAG AA passes).

Color values

HEX	#51F28B
RGB	rgb(81, 242, 139)
HSL	hsl(142, 86%, 63%)
HSV	hsv(142, 67%, 95%)
CMYK	cmyk(66.5%, 0%, 42.6%, 5.1%)
CIE-LAB	lab(85.56, -63.69, 37.74)
CIE-LCH	lch(85.56, 74.03, 149.35°)
OKLab	oklab(85.39% -0.1717 0.0932)
OKLCH	oklch(85.39% 0.195 151.5)
XYZ	xyz(39.8024, 67.1134, 35.2776)
Luminance	0.6712 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51F28B #F251B8

analogous

#67F251 #51F28B #51F2DB

triadic

#51F28B #8B51F2 #F28B51

tetradic

#51F28B #5167F2 #F251B8 #F2DB51

square

#51F28B #5167F2 #F251B8 #F2DB51

split-complementary

#51F28B #DB51F2 #F25167

monochromatic

#0EBB4C #18EE65 #51F28B #8AF6B1 #C3FBD7

Accessibility & contrast

On white

1.46

#51F28B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.42

#51F28B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51F28B

14.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51F28B	#FFFFFF	#000000	##000000
##51F28B	1.00	1.46	14.42	14.42
#FFFFFF	1.46	1.00	21.00	21.00
#000000	14.42	21.00	1.00	1.00
##000000	14.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F3DE83

Deuteranopia (green-blind)

#DFD092

Tritanopia (blue-blind)

#00EED9

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #51f28b;
/* rgb */ color: rgb(81, 242, 139);
/* oklch */ color: oklch(85.4% 0.195 151.5);

Tailwind

colors: {
  custom: {
    50: '#93f7ae',
    500: '#51f28b',
    950: '#000000',
  },
}

SCSS

$custom: #51f28b;
$custom-light: #93f7ae;
$custom-dark: #000000;

JSON

{
  "hex": "#51f28b",
  "rgb": {
    "r": 81,
    "g": 242,
    "b": 139
  },
  "hsl": {
    "h": 141.615,
    "s": 86.096,
    "l": 63.333
  },
  "oklch": {
    "l": 0.85387,
    "c": 0.19538,
    "h": 151.5
  },
  "luminance": 0.67118
}

Semantic roles & 50–950 ramp

primary

#51F28B

secondary

#B92E87

accent

#0392E3

background

#FCFFFD

surface

#F5FFF7

border

#CFD7D0

text

#0F1710

muted

#808581

Preview Lab

Preview with #51F28B

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

Preview Lab → · Contrast checker → · Palette generator →