#51E4CC#51E4CC

#51E4CC is a very light, vivid teal. Relative luminance 0.616; OKLCH L 83.5% C 0.129 H 180.0°. Best body text is #000000 at 13.32:1 contrast (WCAG AA passes).

Color values

HEX	#51E4CC
RGB	rgb(81, 228, 204)
HSL	hsl(170, 73%, 61%)
HSV	hsv(170, 64%, 89%)
CMYK	cmyk(64.5%, 0%, 10.5%, 10.6%)
CIE-LAB	lab(82.70, -44.48, 0.23)
CIE-LCH	lch(82.70, 44.48, 179.70°)
OKLab	oklab(83.47% -0.1289 -0.0001)
OKLCH	oklch(83.47% 0.129 180)
XYZ	xyz(42.0307, 61.5912, 66.7882)
Luminance	0.6160 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E4CC #E45169

analogous

#51E482 #51E4CC #51B2E4

triadic

#51E4CC #CC51E4 #E4CC51

tetradic

#51E4CC #8251E4 #E45169 #B2E451

square

#51E4CC #8251E4 #E45169 #B2E451

split-complementary

#51E4CC #E451B2 #E48251

monochromatic

#19A28B #21D7B9 #51E4CC #86ECDC #BBF4EB

Accessibility & contrast

On white

1.58

#51E4CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.32

#51E4CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E4CC

13.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E4CC	#FFFFFF	#000000	##000000
##51E4CC	1.00	1.58	13.32	13.32
#FFFFFF	1.58	1.00	21.00	21.00
#000000	13.32	21.00	1.00	1.00
##000000	13.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DBD7CB

Deuteranopia (green-blind)

#C5C7CE

Tritanopia (blue-blind)

#00E8DD

Achromatopsia (no color)

#CECECE

Design tokens & code

CSS

--color: #51e4cc;
/* rgb */ color: rgb(81, 228, 204);
/* oklch */ color: oklch(83.5% 0.129 180.0);

Tailwind

colors: {
  custom: {
    50: '#92eddb',
    500: '#51e4cc',
    950: '#000000',
  },
}

SCSS

$custom: #51e4cc;
$custom-light: #92eddb;
$custom-dark: #000000;

JSON

{
  "hex": "#51e4cc",
  "rgb": {
    "r": 81,
    "g": 228,
    "b": 204
  },
  "hsl": {
    "h": 170.204,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.83466,
    "c": 0.12887,
    "h": 180
  },
  "luminance": 0.61596
}

Semantic roles & 50–950 ramp

primary

#51E4CC

secondary

#A43547

accent

#1030D5

background

#FCFFFE

surface

#F5FEFB

border

#CFD6D4

text

#0E1615

muted

#7F8584

Preview Lab

Preview with #51E4CC

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

Preview Lab → · Contrast checker → · Palette generator →