#51E1CF#51E1CF

#51E1CF is a very light, vivid teal. Relative luminance 0.601; OKLCH L 82.8% C 0.125 H 183.5°. Best body text is #000000 at 13.02:1 contrast (WCAG AA passes).

Color values

HEX	#51E1CF
RGB	rgb(81, 225, 207)
HSL	hsl(173, 71%, 60%)
HSV	hsv(173, 64%, 88%)
CMYK	cmyk(64%, 0%, 8%, 11.8%)
CIE-LAB	lab(81.89, -42.40, -2.53)
CIE-LCH	lch(81.89, 42.48, 183.42°)
OKLab	oklab(82.84% -0.1245 -0.0075)
OKLCH	oklch(82.84% 0.125 183.5)
XYZ	xyz(41.5758, 60.1002, 68.4288)
Luminance	0.6010 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E1CF #E15163

analogous

#51E187 #51E1CF #51ABE1

triadic

#51E1CF #CF51E1 #E1CF51

tetradic

#51E1CF #8751E1 #E15163 #ABE151

square

#51E1CF #8751E1 #E15163 #ABE151

split-complementary

#51E1CF #E151AB #E18751

monochromatic

#1B9D8C #24D1BB #51E1CF #85EADD #B9F3EC

Accessibility & contrast

On white

1.61

#51E1CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.02

#51E1CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E1CF

13.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E1CF	#FFFFFF	#000000	##000000
##51E1CF	1.00	1.61	13.02	13.02
#FFFFFF	1.61	1.00	21.00	21.00
#000000	13.02	21.00	1.00	1.00
##000000	13.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7D5CE

Deuteranopia (green-blind)

#C1C5D1

Tritanopia (blue-blind)

#00E5DB

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #51e1cf;
/* rgb */ color: rgb(81, 225, 207);
/* oklch */ color: oklch(82.8% 0.125 183.5);

Tailwind

colors: {
  custom: {
    50: '#92ebdd',
    500: '#51e1cf',
    950: '#000000',
  },
}

SCSS

$custom: #51e1cf;
$custom-light: #92ebdd;
$custom-dark: #000000;

JSON

{
  "hex": "#51e1cf",
  "rgb": {
    "r": 81,
    "g": 225,
    "b": 207
  },
  "hsl": {
    "h": 172.5,
    "s": 70.588,
    "l": 60
  },
  "oklch": {
    "l": 0.82839,
    "c": 0.12475,
    "h": 183.5
  },
  "luminance": 0.60105
}

Semantic roles & 50–950 ramp

primary

#51E1CF

secondary

#A03643

accent

#3A51ED

background

#FCFEFE

surface

#F5FDFC

border

#CFD5D5

text

#0E1615

muted

#7F8484

Preview Lab

Preview with #51E1CF

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

Preview Lab → · Contrast checker → · Palette generator →