#51EF6A#51EF6A

#51EF6A is a very light, highly saturated green. Relative luminance 0.645; OKLCH L 84.2% C 0.220 H 145.9°. Best body text is #000000 at 13.90:1 contrast (WCAG AA passes).

Color values

HEX	#51EF6A
RGB	rgb(81, 239, 106)
HSL	hsl(129, 83%, 63%)
HSV	hsv(129, 66%, 94%)
CMYK	cmyk(66.1%, 0%, 55.6%, 6.3%)
CIE-LAB	lab(84.24, -67.43, 51.77)
CIE-LCH	lch(84.24, 85.01, 142.49°)
OKLab	oklab(84.16% -0.1821 0.1232)
OKLCH	oklch(84.16% 0.22 145.9)
XYZ	xyz(36.8589, 64.5191, 24.1438)
Luminance	0.6452 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51EF6A #EF51D6

analogous

#87EF51 #51EF6A #51EFB9

triadic

#51EF6A #6A51EF #EF6A51

tetradic

#51EF6A #5187EF #EF51D6 #EFB951

square

#51EF6A #5187EF #EF51D6 #EFB951

split-complementary

#51EF6A #B951EF #EF5187

monochromatic

#11B52B #19EA3A #51EF6A #89F49A #C1F9CA

Accessibility & contrast

On white

1.51

#51EF6A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.90

#51EF6A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51EF6A

13.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51EF6A	#FFFFFF	#000000	##000000
##51EF6A	1.00	1.51	13.90	13.90
#FFFFFF	1.51	1.00	21.00	21.00
#000000	13.90	21.00	1.00	1.00
##000000	13.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F2DA5D

Deuteranopia (green-blind)

#DFCD74

Tritanopia (blue-blind)

#1CE9D1

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #51ef6a;
/* rgb */ color: rgb(81, 239, 106);
/* oklch */ color: oklch(84.2% 0.220 145.9);

Tailwind

colors: {
  custom: {
    50: '#94f598',
    500: '#51ef6a',
    950: '#000000',
  },
}

SCSS

$custom: #51ef6a;
$custom-light: #94f598;
$custom-dark: #000000;

JSON

{
  "hex": "#51ef6a",
  "rgb": {
    "r": 81,
    "g": 239,
    "b": 106
  },
  "hsl": {
    "h": 129.494,
    "s": 83.158,
    "l": 62.745
  },
  "oklch": {
    "l": 0.84156,
    "c": 0.21985,
    "h": 145.9
  },
  "luminance": 0.64523
}

Semantic roles & 50–950 ramp

primary

#51EF6A

secondary

#B5309F

accent

#06BDE0

background

#FCFFFC

surface

#F5FFF5

border

#CFD7CF

text

#0F170E

muted

#80857F

Preview Lab

Preview with #51EF6A

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

Preview Lab → · Contrast checker → · Palette generator →