#51EC9C#51EC9C

#51EC9C is a very light, vivid green. Relative luminance 0.641; OKLCH L 84.2% C 0.173 H 156.6°. Best body text is #000000 at 13.83:1 contrast (WCAG AA passes).

Color values

HEX	#51EC9C
RGB	rgb(81, 236, 156)
HSL	hsl(149, 80%, 62%)
HSV	hsv(149, 66%, 93%)
CMYK	cmyk(65.7%, 0%, 33.9%, 7.5%)
CIE-LAB	lab(84.04, -58.43, 27.18)
CIE-LCH	lch(84.04, 64.44, 155.05°)
OKLab	oklab(84.22% -0.1585 0.0684)
OKLCH	oklch(84.22% 0.173 156.6)
XYZ	xyz(39.3859, 64.1363, 41.7499)
Luminance	0.6414 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51EC9C #EC51A1

analogous

#54EC51 #51EC9C #51ECE9

triadic

#51EC9C #9C51EC #EC9C51

tetradic

#51EC9C #5154EC #EC51A1 #ECE951

square

#51EC9C #5154EC #EC51A1 #ECE951

split-complementary

#51EC9C #E951EC #EC5154

monochromatic

#13AF5F #1AE67D #51EC9C #88F2BB #BFF8DB

Accessibility & contrast

On white

1.52

#51EC9C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.83

#51EC9C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51EC9C

13.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51EC9C	#FFFFFF	#000000	##000000
##51EC9C	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)

#EBDA97

Deuteranopia (green-blind)

#D7CCA1

Tritanopia (blue-blind)

#00EAD7

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #51ec9c;
/* rgb */ color: rgb(81, 236, 156);
/* oklch */ color: oklch(84.2% 0.173 156.6);

Tailwind

colors: {
  custom: {
    50: '#92f3b9',
    500: '#51ec9c',
    950: '#000000',
  },
}

SCSS

$custom: #51ec9c;
$custom-light: #92f3b9;
$custom-dark: #000000;

JSON

{
  "hex": "#51ec9c",
  "rgb": {
    "r": 81,
    "g": 236,
    "b": 156
  },
  "hsl": {
    "h": 149.032,
    "s": 80.311,
    "l": 62.157
  },
  "oklch": {
    "l": 0.84222,
    "c": 0.17264,
    "h": 156.6
  },
  "luminance": 0.64141
}

Semantic roles & 50–950 ramp

primary

#51EC9C

secondary

#B03173

accent

#0976DD

background

#FCFFFD

surface

#F5FEF8

border

#CFD6D1

text

#0E1711

muted

#7F8581

Preview Lab

Preview with #51EC9C

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

Preview Lab → · Contrast checker → · Palette generator →