#51E5CF#51E5CF

#51E5CF is a very light, vivid teal. Relative luminance 0.623; OKLCH L 83.8% C 0.129 H 181.3°. Best body text is #000000 at 13.46:1 contrast (WCAG AA passes).

Color values

HEX	#51E5CF
RGB	rgb(81, 229, 207)
HSL	hsl(171, 74%, 61%)
HSV	hsv(171, 65%, 90%)
CMYK	cmyk(64.6%, 0%, 9.6%, 10.2%)
CIE-LAB	lab(83.07, -44.16, -0.81)
CIE-LCH	lch(83.07, 44.17, 181.05°)
OKLab	oklab(83.79% -0.1285 -0.0029)
OKLCH	oklch(83.79% 0.129 181.3)
XYZ	xyz(42.6698, 62.2882, 68.7934)
Luminance	0.6229 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E5CF #E55167

analogous

#51E585 #51E5CF #51B1E5

triadic

#51E5CF #CF51E5 #E5CF51

tetradic

#51E5CF #8551E5 #E55167 #B1E551

square

#51E5CF #8551E5 #E55167 #B1E551

split-complementary

#51E5CF #E551B1 #E58551

monochromatic

#18A38F #20D8BD #51E5CF #86EDDE #BBF5EC

Accessibility & contrast

On white

1.56

#51E5CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.46

#51E5CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E5CF

13.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E5CF	#FFFFFF	#000000	##000000
##51E5CF	1.00	1.56	13.46	13.46
#FFFFFF	1.56	1.00	21.00	21.00
#000000	13.46	21.00	1.00	1.00
##000000	13.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DBD8CE

Deuteranopia (green-blind)

#C6C8D1

Tritanopia (blue-blind)

#00E9DE

Achromatopsia (no color)

#CFCFCF

Design tokens & code

CSS

--color: #51e5cf;
/* rgb */ color: rgb(81, 229, 207);
/* oklch */ color: oklch(83.8% 0.129 181.3);

Tailwind

colors: {
  custom: {
    50: '#93eedd',
    500: '#51e5cf',
    950: '#000000',
  },
}

SCSS

$custom: #51e5cf;
$custom-light: #93eedd;
$custom-dark: #000000;

JSON

{
  "hex": "#51e5cf",
  "rgb": {
    "r": 81,
    "g": 229,
    "b": 207
  },
  "hsl": {
    "h": 171.081,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.83794,
    "c": 0.12858,
    "h": 181.3
  },
  "luminance": 0.62293
}

Semantic roles & 50–950 ramp

primary

#51E5CF

secondary

#A63545

accent

#0F2DD6

background

#FCFFFE

surface

#F5FEFC

border

#CFD6D5

text

#0E1615

muted

#7F8584

Preview Lab

Preview with #51E5CF

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

Preview Lab → · Contrast checker → · Palette generator →