#51E561#51E561

#51E561 is a light, highly saturated green. Relative luminance 0.587; OKLCH L 81.5% C 0.215 H 145.0°. Best body text is #000000 at 12.73:1 contrast (WCAG AA passes).

Color values

HEX	#51E561
RGB	rgb(81, 229, 97)
HSL	hsl(126, 74%, 61%)
HSV	hsv(126, 65%, 90%)
CMYK	cmyk(64.6%, 0%, 57.6%, 10.2%)
CIE-LAB	lab(81.10, -65.10, 52.12)
CIE-LCH	lch(81.10, 83.39, 141.32°)
OKLab	oklab(81.53% -0.1761 0.1233)
OKLCH	oklch(81.53% 0.215 145)
XYZ	xyz(33.5682, 58.6476, 20.8580)
Luminance	0.5865 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E561 #E551D5

analogous

#8BE551 #51E561 #51E5AB

triadic

#51E561 #6151E5 #E56151

tetradic

#51E561 #518BE5 #E551D5 #E5AB51

square

#51E561 #518BE5 #E551D5 #E5AB51

split-complementary

#51E561 #AB51E5 #E5518B

monochromatic

#18A327 #20D834 #51E561 #86ED91 #BBF5C2

Accessibility & contrast

On white

1.65

#51E561 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.73

#51E561 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E561

12.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E561	#FFFFFF	#000000	##000000
##51E561	1.00	1.65	12.73	12.73
#FFFFFF	1.65	1.00	21.00	21.00
#000000	12.73	21.00	1.00	1.00
##000000	12.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E9D154

Deuteranopia (green-blind)

#D7C56C

Tritanopia (blue-blind)

#29DFC8

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #51e561;
/* rgb */ color: rgb(81, 229, 97);
/* oklch */ color: oklch(81.5% 0.215 145.0);

Tailwind

colors: {
  custom: {
    50: '#92ee92',
    500: '#51e561',
    950: '#000000',
  },
}

SCSS

$custom: #51e561;
$custom-light: #92ee92;
$custom-dark: #000000;

JSON

{
  "hex": "#51e561",
  "rgb": {
    "r": 81,
    "g": 229,
    "b": 97
  },
  "hsl": {
    "h": 126.486,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.81531,
    "c": 0.21496,
    "h": 145
  },
  "luminance": 0.58651
}

Semantic roles & 50–950 ramp

primary

#51E561

secondary

#A63599

accent

#0FC1D6

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0E170D

muted

#7F857F

Preview Lab

Preview with #51E561

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

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