#51E559#51E559

#51E559 is a light, highly saturated green. Relative luminance 0.585; OKLCH L 81.4% C 0.221 H 144.0°. Best body text is #000000 at 12.70:1 contrast (WCAG AA passes).

Color values

HEX	#51E559
RGB	rgb(81, 229, 89)
HSL	hsl(123, 74%, 61%)
HSV	hsv(123, 65%, 90%)
CMYK	cmyk(64.6%, 0%, 61.1%, 10.2%)
CIE-LAB	lab(81.02, -66.01, 55.53)
CIE-LCH	lch(81.02, 86.26, 139.93°)
OKLab	oklab(81.44% -0.1789 0.1299)
OKLCH	oklch(81.44% 0.221 144)
XYZ	xyz(33.2138, 58.5058, 18.9916)
Luminance	0.5851 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E559 #E551DD

analogous

#93E551 #51E559 #51E5A3

triadic

#51E559 #5951E5 #E55951

tetradic

#51E559 #5193E5 #E551DD #E5A351

square

#51E559 #5193E5 #E551DD #E5A351

split-complementary

#51E559 #A351E5 #E55193

monochromatic

#18A320 #20D82A #51E559 #86ED8C #BBF5BF

Accessibility & contrast

On white

1.65

#51E559 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.70

#51E559 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E559

12.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E559	#FFFFFF	#000000	##000000
##51E559	1.00	1.65	12.70	12.70
#FFFFFF	1.65	1.00	21.00	21.00
#000000	12.70	21.00	1.00	1.00
##000000	12.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E9D149

Deuteranopia (green-blind)

#D7C465

Tritanopia (blue-blind)

#2CDFC7

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #51e559;
/* rgb */ color: rgb(81, 229, 89);
/* oklch */ color: oklch(81.4% 0.221 144.0);

Tailwind

colors: {
  custom: {
    50: '#93ee8d',
    500: '#51e559',
    950: '#000000',
  },
}

SCSS

$custom: #51e559;
$custom-light: #93ee8d;
$custom-dark: #000000;

JSON

{
  "hex": "#51e559",
  "rgb": {
    "r": 81,
    "g": 229,
    "b": 89
  },
  "hsl": {
    "h": 123.243,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.81441,
    "c": 0.2211,
    "h": 144
  },
  "luminance": 0.58509
}

Semantic roles & 50–950 ramp

primary

#51E559

secondary

#A635A0

accent

#0FCBD6

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0E170C

muted

#7F857F

Preview Lab

Preview with #51E559

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

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