#51E678#51E678

#51E678 is a very light, vivid green. Relative luminance 0.597; OKLCH L 82.1% C 0.197 H 148.7°. Best body text is #000000 at 12.94:1 contrast (WCAG AA passes).

Color values

HEX	#51E678
RGB	rgb(81, 230, 120)
HSL	hsl(136, 75%, 61%)
HSV	hsv(136, 65%, 90%)
CMYK	cmyk(64.8%, 0%, 47.8%, 9.8%)
CIE-LAB	lab(81.67, -62.35, 42.07)
CIE-LCH	lch(81.67, 75.22, 145.99°)
OKLab	oklab(82.09% -0.1682 0.1024)
OKLCH	oklch(82.09% 0.197 148.7)
XYZ	xyz(35.0777, 59.6954, 27.4394)
Luminance	0.5970 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E678 #E651BF

analogous

#74E651 #51E678 #51E6C2

triadic

#51E678 #7851E6 #E67851

tetradic

#51E678 #5174E6 #E651BF #E6C251

square

#51E678 #5174E6 #E651BF #E6C251

split-complementary

#51E678 #C251E6 #E65174

monochromatic

#18A53D #1FDA50 #51E678 #87EEA2 #BCF5CB

Accessibility & contrast

On white

1.62

#51E678 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.94

#51E678 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E678

12.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E678	#FFFFFF	#000000	##000000
##51E678	1.00	1.62	12.94	12.94
#FFFFFF	1.62	1.00	21.00	21.00
#000000	12.94	21.00	1.00	1.00
##000000	12.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E8D36F

Deuteranopia (green-blind)

#D5C680

Tritanopia (blue-blind)

#18E2CC

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #51e678;
/* rgb */ color: rgb(81, 230, 120);
/* oklch */ color: oklch(82.1% 0.197 148.7);

Tailwind

colors: {
  custom: {
    50: '#92efa1',
    500: '#51e678',
    950: '#000000',
  },
}

SCSS

$custom: #51e678;
$custom-light: #92efa1;
$custom-dark: #000000;

JSON

{
  "hex": "#51e678",
  "rgb": {
    "r": 81,
    "g": 230,
    "b": 120
  },
  "hsl": {
    "h": 135.705,
    "s": 74.874,
    "l": 60.98
  },
  "oklch": {
    "l": 0.82094,
    "c": 0.1969,
    "h": 148.7
  },
  "luminance": 0.59699
}

Semantic roles & 50–950 ramp

primary

#51E678

secondary

#A73489

accent

#0EA3D7

background

#FCFFFC

surface

#F5FEF5

border

#CFD6CF

text

#0E170F

muted

#7F8580

Preview Lab

Preview with #51E678

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

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