#51E0CC#51E0CC

#51E0CC is a very light, vivid teal. Relative luminance 0.594; OKLCH L 82.5% C 0.125 H 182.2°. Best body text is #000000 at 12.88:1 contrast (WCAG AA passes).

Color values

HEX	#51E0CC
RGB	rgb(81, 224, 204)
HSL	hsl(172, 70%, 60%)
HSV	hsv(172, 64%, 88%)
CMYK	cmyk(63.8%, 0%, 8.9%, 12.2%)
CIE-LAB	lab(81.52, -42.73, -1.49)
CIE-LCH	lch(81.52, 42.75, 181.99°)
OKLab	oklab(82.51% -0.1248 -0.0047)
OKLCH	oklch(82.51% 0.125 182.2)
XYZ	xyz(40.9430, 59.4158, 66.4257)
Luminance	0.5942 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E0CC #E05165

analogous

#51E084 #51E0CC #51ADE0

triadic

#51E0CC #CC51E0 #E0CC51

tetradic

#51E0CC #8451E0 #E05165 #ADE051

square

#51E0CC #8451E0 #E05165 #ADE051

split-complementary

#51E0CC #E051AD #E08451

monochromatic

#1C9B89 #25CFB7 #51E0CC #85E9DB #B9F3EA

Accessibility & contrast

On white

1.63

#51E0CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.88

#51E0CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E0CC

12.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E0CC	#FFFFFF	#000000	##000000
##51E0CC	1.00	1.63	12.88	12.88
#FFFFFF	1.63	1.00	21.00	21.00
#000000	12.88	21.00	1.00	1.00
##000000	12.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6D4CB

Deuteranopia (green-blind)

#C1C4CE

Tritanopia (blue-blind)

#00E4DA

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #51e0cc;
/* rgb */ color: rgb(81, 224, 204);
/* oklch */ color: oklch(82.5% 0.125 182.2);

Tailwind

colors: {
  custom: {
    50: '#92eadb',
    500: '#51e0cc',
    950: '#000000',
  },
}

SCSS

$custom: #51e0cc;
$custom-light: #92eadb;
$custom-dark: #000000;

JSON

{
  "hex": "#51e0cc",
  "rgb": {
    "r": 81,
    "g": 224,
    "b": 204
  },
  "hsl": {
    "h": 171.608,
    "s": 69.756,
    "l": 59.804
  },
  "oklch": {
    "l": 0.82509,
    "c": 0.12492,
    "h": 182.2
  },
  "luminance": 0.5942
}

Semantic roles & 50–950 ramp

primary

#51E0CC

secondary

#9F3745

accent

#3B54ED

background

#FCFEFE

surface

#F5FDFB

border

#CFD5D4

text

#0E1615

muted

#7F8484

Preview Lab

Preview with #51E0CC

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

Preview Lab → · Contrast checker → · Palette generator →