#51F28E#51F28E

#51F28E is a very light, vivid green. Relative luminance 0.672; OKLCH L 85.4% C 0.193 H 152.2°. Best body text is #000000 at 14.44:1 contrast (WCAG AA passes).

Color values

HEX	#51F28E
RGB	rgb(81, 242, 142)
HSL	hsl(143, 86%, 63%)
HSV	hsv(143, 67%, 95%)
CMYK	cmyk(66.5%, 0%, 41.3%, 5.1%)
CIE-LAB	lab(85.61, -63.19, 36.32)
CIE-LCH	lch(85.61, 72.88, 150.11°)
OKLab	oklab(85.44% -0.1705 0.0899)
OKLCH	oklch(85.44% 0.193 152.2)
XYZ	xyz(40.0246, 67.2023, 36.4479)
Luminance	0.6721 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51F28E #F251B5

analogous

#64F251 #51F28E #51F2DE

triadic

#51F28E #8E51F2 #F28E51

tetradic

#51F28E #5164F2 #F251B5 #F2DE51

square

#51F28E #5164F2 #F251B5 #F2DE51

split-complementary

#51F28E #DE51F2 #F25164

monochromatic

#0EBB4F #18EE69 #51F28E #8AF6B3 #C3FBD8

Accessibility & contrast

On white

1.45

#51F28E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.44

#51F28E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51F28E

14.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51F28E	#FFFFFF	#000000	##000000
##51F28E	1.00	1.45	14.44	14.44
#FFFFFF	1.45	1.00	21.00	21.00
#000000	14.44	21.00	1.00	1.00
##000000	14.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F2DF87

Deuteranopia (green-blind)

#DED095

Tritanopia (blue-blind)

#00EFD9

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #51f28e;
/* rgb */ color: rgb(81, 242, 142);
/* oklch */ color: oklch(85.4% 0.193 152.2);

Tailwind

colors: {
  custom: {
    50: '#93f7b0',
    500: '#51f28e',
    950: '#000000',
  },
}

SCSS

$custom: #51f28e;
$custom-light: #93f7b0;
$custom-dark: #000000;

JSON

{
  "hex": "#51f28e",
  "rgb": {
    "r": 81,
    "g": 242,
    "b": 142
  },
  "hsl": {
    "h": 142.733,
    "s": 86.096,
    "l": 63.333
  },
  "oklch": {
    "l": 0.85438,
    "c": 0.19272,
    "h": 152.2
  },
  "luminance": 0.67207
}

Semantic roles & 50–950 ramp

primary

#51F28E

secondary

#B92E84

accent

#038EE3

background

#FCFFFD

surface

#F5FFF7

border

#CFD7D0

text

#0F1710

muted

#808581

Preview Lab

Preview with #51F28E

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

Preview Lab → · Contrast checker → · Palette generator →