#51EF56#51EF56

#51EF56 is a very light, highly saturated green. Relative luminance 0.642; OKLCH L 83.9% C 0.235 H 143.6°. Best body text is #000000 at 13.83:1 contrast (WCAG AA passes).

Color values

HEX	#51EF56
RGB	rgb(81, 239, 86)
HSL	hsl(122, 83%, 63%)
HSV	hsv(122, 66%, 94%)
CMYK	cmyk(66.1%, 0%, 64%, 6.3%)
CIE-LAB	lab(84.04, -69.67, 60.16)
CIE-LCH	lch(84.04, 92.05, 139.19°)
OKLab	oklab(83.94% -0.1889 0.1395)
OKLCH	oklch(83.94% 0.235 143.6)
XYZ	xyz(35.9374, 64.1505, 19.2907)
Luminance	0.6415 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51EF56 #EF51EA

analogous

#9BEF51 #51EF56 #51EFA5

triadic

#51EF56 #5651EF #EF5651

tetradic

#51EF56 #519BEF #EF51EA #EFA551

square

#51EF56 #519BEF #EF51EA #EFA551

split-complementary

#51EF56 #A551EF #EF519B

monochromatic

#11B516 #19EA20 #51EF56 #89F48C #C1F9C3

Accessibility & contrast

On white

1.52

#51EF56 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.83

#51EF56 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51EF56

13.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51EF56	#FFFFFF	#000000	##000000
##51EF56	1.00	1.52	13.83	13.83
#FFFFFF	1.52	1.00	21.00	21.00
#000000	13.83	21.00	1.00	1.00
##000000	13.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F4D943

Deuteranopia (green-blind)

#E1CD64

Tritanopia (blue-blind)

#27E8CF

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #51ef56;
/* rgb */ color: rgb(81, 239, 86);
/* oklch */ color: oklch(83.9% 0.235 143.6);

Tailwind

colors: {
  custom: {
    50: '#95f58c',
    500: '#51ef56',
    950: '#000000',
  },
}

SCSS

$custom: #51ef56;
$custom-light: #95f58c;
$custom-dark: #000000;

JSON

{
  "hex": "#51ef56",
  "rgb": {
    "r": 81,
    "g": 239,
    "b": 86
  },
  "hsl": {
    "h": 121.899,
    "s": 83.158,
    "l": 62.745
  },
  "oklch": {
    "l": 0.83936,
    "c": 0.23487,
    "h": 143.6
  },
  "luminance": 0.64154
}

Semantic roles & 50–950 ramp

primary

#51EF56

secondary

#B530B0

accent

#06D9E0

background

#FCFFFC

surface

#F5FFF4

border

#CFD7CE

text

#0F170C

muted

#80857F

Preview Lab

Preview with #51EF56

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

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