#51F0CC#51F0CC

#51F0CC is a very light, vivid teal. Relative luminance 0.684; OKLCH L 86.3% C 0.141 H 174.6°. Best body text is #000000 at 14.69:1 contrast (WCAG AA passes).

Color values

HEX	#51F0CC
RGB	rgb(81, 240, 204)
HSL	hsl(166, 84%, 63%)
HSV	hsv(166, 66%, 94%)
CMYK	cmyk(66.3%, 0%, 15%, 5.9%)
CIE-LAB	lab(86.22, -49.61, 5.35)
CIE-LCH	lch(86.22, 49.90, 173.85°)
OKLab	oklab(86.34% -0.1408 0.0134)
OKLCH	oklch(86.34% 0.141 174.6)
XYZ	xyz(45.4471, 68.4241, 67.9270)
Luminance	0.6843 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51F0CC #F05175

analogous

#51F07C #51F0CC #51C4F0

triadic

#51F0CC #CC51F0 #F0CC51

tetradic

#51F0CC #7C51F0 #F05175 #C4F051

square

#51F0CC #7C51F0 #F05175 #C4F051

split-complementary

#51F0CC #F051C4 #F07C51

monochromatic

#10B791 #19EBBB #51F0CC #89F5DD #C2FAED

Accessibility & contrast

On white

1.43

#51F0CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.69

#51F0CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51F0CC

14.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51F0CC	#FFFFFF	#000000	##000000
##51F0CC	1.00	1.43	14.69	14.69
#FFFFFF	1.43	1.00	21.00	21.00
#000000	14.69	21.00	1.00	1.00
##000000	14.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E8E1CA

Deuteranopia (green-blind)

#D2D1CF

Tritanopia (blue-blind)

#00F3E5

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #51f0cc;
/* rgb */ color: rgb(81, 240, 204);
/* oklch */ color: oklch(86.3% 0.141 174.6);

Tailwind

colors: {
  custom: {
    50: '#94f6db',
    500: '#51f0cc',
    950: '#000000',
  },
}

SCSS

$custom: #51f0cc;
$custom-light: #94f6db;
$custom-dark: #000000;

JSON

{
  "hex": "#51f0cc",
  "rgb": {
    "r": 81,
    "g": 240,
    "b": 204
  },
  "hsl": {
    "h": 166.415,
    "s": 84.127,
    "l": 62.941
  },
  "oklch": {
    "l": 0.86338,
    "c": 0.14147,
    "h": 174.6
  },
  "luminance": 0.68429
}

Semantic roles & 50–950 ramp

primary

#51F0CC

secondary

#B62F4E

accent

#0537E1

background

#FCFFFE

surface

#F5FEFB

border

#CFD6D4

text

#0F1715

muted

#808584

Preview Lab

Preview with #51F0CC

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

Preview Lab → · Contrast checker → · Palette generator →