#51EE65#51EE65

#51EE65 is a very light, highly saturated green. Relative luminance 0.638; OKLCH L 83.8% C 0.223 H 145.3°. Best body text is #000000 at 13.77:1 contrast (WCAG AA passes).

Color values

HEX	#51EE65
RGB	rgb(81, 238, 101)
HSL	hsl(128, 82%, 63%)
HSV	hsv(128, 66%, 93%)
CMYK	cmyk(66%, 0%, 57.6%, 6.7%)
CIE-LAB	lab(83.88, -67.70, 53.59)
CIE-LCH	lch(83.88, 86.34, 141.64°)
OKLab	oklab(83.84% -0.183 0.1268)
OKLCH	oklch(83.84% 0.223 145.3)
XYZ	xyz(36.3144, 63.8342, 22.7168)
Luminance	0.6384 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51EE65 #EE51DA

analogous

#8CEE51 #51EE65 #51EEB3

triadic

#51EE65 #6551EE #EE6551

tetradic

#51EE65 #518CEE #EE51DA #EEB351

square

#51EE65 #518CEE #EE51DA #EEB351

split-complementary

#51EE65 #B351EE #EE518C

monochromatic

#11B326 #19E934 #51EE65 #89F396 #C1F9C8

Accessibility & contrast

On white

1.53

#51EE65 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.77

#51EE65 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51EE65

13.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51EE65	#FFFFFF	#000000	##000000
##51EE65	1.00	1.53	13.77	13.77
#FFFFFF	1.53	1.00	21.00	21.00
#000000	13.77	21.00	1.00	1.00
##000000	13.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F2D957

Deuteranopia (green-blind)

#DFCC70

Tritanopia (blue-blind)

#20E8D0

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #51ee65;
/* rgb */ color: rgb(81, 238, 101);
/* oklch */ color: oklch(83.8% 0.223 145.3);

Tailwind

colors: {
  custom: {
    50: '#94f595',
    500: '#51ee65',
    950: '#000000',
  },
}

SCSS

$custom: #51ee65;
$custom-light: #94f595;
$custom-dark: #000000;

JSON

{
  "hex": "#51ee65",
  "rgb": {
    "r": 81,
    "g": 238,
    "b": 101
  },
  "hsl": {
    "h": 127.643,
    "s": 82.199,
    "l": 62.549
  },
  "oklch": {
    "l": 0.83844,
    "c": 0.22262,
    "h": 145.3
  },
  "luminance": 0.63838
}

Semantic roles & 50–950 ramp

primary

#51EE65

secondary

#B330A2

accent

#07C3DF

background

#FCFFFC

surface

#F5FFF5

border

#CFD7CF

text

#0F170D

muted

#80857F

Preview Lab

Preview with #51EE65

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

Preview Lab → · Contrast checker → · Palette generator →