#51CEE0#51CEE0

#51CEE0 is a light, moderate teal. Relative luminance 0.513; OKLCH L 78.9% C 0.112 H 208.4°. Best body text is #000000 at 11.25:1 contrast (WCAG AA passes).

Color values

HEX	#51CEE0
RGB	rgb(81, 206, 224)
HSL	hsl(188, 70%, 60%)
HSV	hsv(188, 64%, 88%)
CMYK	cmyk(63.8%, 8%, 0%, 12.2%)
CIE-LAB	lab(76.84, -28.91, -19.15)
CIE-LCH	lch(76.84, 34.68, 213.52°)
OKLab	oklab(78.92% -0.0981 -0.0531)
OKLCH	oklch(78.92% 0.112 208.4)
XYZ	xyz(38.9135, 51.2695, 78.3518)
Luminance	0.5127 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CEE0 #E06351

analogous

#51E0AA #51CEE0 #5187E0

triadic

#51CEE0 #E051CE #CEE051

tetradic

#51CEE0 #AA51E0 #E06351 #87E051

square

#51CEE0 #AA51E0 #E06351 #87E051

split-complementary

#51CEE0 #E05187 #E0AA51

monochromatic

#1C8B9B #25BACF #51CEE0 #85DDE9 #B9EBF3

Accessibility & contrast

On white

1.87

#51CEE0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.25

#51CEE0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CEE0

11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CEE0	#FFFFFF	#000000	##000000
##51CEE0	1.00	1.87	11.25	11.25
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.25	21.00	1.00	1.00
##000000	11.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDC7E1

Deuteranopia (green-blind)

#A8B7E0

Tritanopia (blue-blind)

#00D7D3

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #51cee0;
/* rgb */ color: rgb(81, 206, 224);
/* oklch */ color: oklch(78.9% 0.112 208.4);

Tailwind

colors: {
  custom: {
    50: '#92dde9',
    500: '#51cee0',
    950: '#000000',
  },
}

SCSS

$custom: #51cee0;
$custom-light: #92dde9;
$custom-dark: #000000;

JSON

{
  "hex": "#51cee0",
  "rgb": {
    "r": 81,
    "g": 206,
    "b": 224
  },
  "hsl": {
    "h": 187.552,
    "s": 69.756,
    "l": 59.804
  },
  "oklch": {
    "l": 0.78917,
    "c": 0.11156,
    "h": 208.4
  },
  "luminance": 0.51274
}

Semantic roles & 50–950 ramp

primary

#51CEE0

secondary

#9F4437

accent

#523BED

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1516

muted

#7F8484

Preview Lab

Preview with #51CEE0

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

Preview Lab → · Contrast checker → · Palette generator →