#51F28C#51F28C

#51F28C is a very light, vivid green. Relative luminance 0.671; OKLCH L 85.4% C 0.194 H 151.7°. Best body text is #000000 at 14.43:1 contrast (WCAG AA passes).

Color values

HEX	#51F28C
RGB	rgb(81, 242, 140)
HSL	hsl(142, 86%, 63%)
HSV	hsv(142, 67%, 95%)
CMYK	cmyk(66.5%, 0%, 42.1%, 5.1%)
CIE-LAB	lab(85.58, -63.52, 37.27)
CIE-LCH	lch(85.58, 73.65, 149.60°)
OKLab	oklab(85.4% -0.1713 0.0921)
OKLCH	oklch(85.4% 0.194 151.7)
XYZ	xyz(39.8758, 67.1427, 35.6642)
Luminance	0.6715 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51F28C #F251B7

analogous

#66F251 #51F28C #51F2DD

triadic

#51F28C #8C51F2 #F28C51

tetradic

#51F28C #5166F2 #F251B7 #F2DD51

square

#51F28C #5166F2 #F251B7 #F2DD51

split-complementary

#51F28C #DD51F2 #F25166

monochromatic

#0EBB4D #18EE66 #51F28C #8AF6B2 #C3FBD7

Accessibility & contrast

On white

1.46

#51F28C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.43

#51F28C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51F28C

14.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51F28C	#FFFFFF	#000000	##000000
##51F28C	1.00	1.46	14.43	14.43
#FFFFFF	1.46	1.00	21.00	21.00
#000000	14.43	21.00	1.00	1.00
##000000	14.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F3DE85

Deuteranopia (green-blind)

#DFD093

Tritanopia (blue-blind)

#00EED9

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #51f28c;
/* rgb */ color: rgb(81, 242, 140);
/* oklch */ color: oklch(85.4% 0.194 151.7);

Tailwind

colors: {
  custom: {
    50: '#93f7ae',
    500: '#51f28c',
    950: '#000000',
  },
}

SCSS

$custom: #51f28c;
$custom-light: #93f7ae;
$custom-dark: #000000;

JSON

{
  "hex": "#51f28c",
  "rgb": {
    "r": 81,
    "g": 242,
    "b": 140
  },
  "hsl": {
    "h": 141.988,
    "s": 86.096,
    "l": 63.333
  },
  "oklch": {
    "l": 0.85404,
    "c": 0.19449,
    "h": 151.7
  },
  "luminance": 0.67147
}

Semantic roles & 50–950 ramp

primary

#51F28C

secondary

#B92E86

accent

#0391E3

background

#FCFFFD

surface

#F5FFF7

border

#CFD7D0

text

#0F1710

muted

#808581

Preview Lab

Preview with #51F28C

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

Preview Lab → · Contrast checker → · Palette generator →