#51CEE3#51CEE3

#51CEE3 is a light, moderate teal. Relative luminance 0.514; OKLCH L 79.0% C 0.113 H 210.6°. Best body text is #000000 at 11.29:1 contrast (WCAG AA passes).

Color values

HEX	#51CEE3
RGB	rgb(81, 206, 227)
HSL	hsl(189, 72%, 60%)
HSV	hsv(189, 64%, 89%)
CMYK	cmyk(64.3%, 9.3%, 0%, 11%)
CIE-LAB	lab(76.94, -28.04, -20.61)
CIE-LCH	lch(76.94, 34.80, 216.32°)
OKLab	oklab(79.03% -0.0969 -0.0572)
OKLCH	oklch(79.03% 0.113 210.6)
XYZ	xyz(39.3240, 51.4337, 80.5134)
Luminance	0.5144 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CEE3 #E36651

analogous

#51E3AF #51CEE3 #5185E3

triadic

#51CEE3 #E351CE #CEE351

tetradic

#51CEE3 #AF51E3 #E36651 #85E351

square

#51CEE3 #AF51E3 #E36651 #85E351

split-complementary

#51CEE3 #E35185 #E3AF51

monochromatic

#1A8DA0 #22BBD5 #51CEE3 #86DDEB #BAECF4

Accessibility & contrast

On white

1.86

#51CEE3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.29

#51CEE3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CEE3

11.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CEE3	#FFFFFF	#000000	##000000
##51CEE3	1.00	1.86	11.29	11.29
#FFFFFF	1.86	1.00	21.00	21.00
#000000	11.29	21.00	1.00	1.00
##000000	11.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCC7E4

Deuteranopia (green-blind)

#A7B7E3

Tritanopia (blue-blind)

#00D7D4

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #51cee3;
/* rgb */ color: rgb(81, 206, 227);
/* oklch */ color: oklch(79.0% 0.113 210.6);

Tailwind

colors: {
  custom: {
    50: '#92ddeb',
    500: '#51cee3',
    950: '#000000',
  },
}

SCSS

$custom: #51cee3;
$custom-light: #92ddeb;
$custom-dark: #000000;

JSON

{
  "hex": "#51cee3",
  "rgb": {
    "r": 81,
    "g": 206,
    "b": 227
  },
  "hsl": {
    "h": 188.63,
    "s": 72.277,
    "l": 60.392
  },
  "oklch": {
    "l": 0.7903,
    "c": 0.11254,
    "h": 210.6
  },
  "luminance": 0.51438
}

Semantic roles & 50–950 ramp

primary

#51CEE3

secondary

#A34535

accent

#2D11D4

background

#FCFEFE

surface

#F5FCFD

border

#CFD5D5

text

#0E1516

muted

#7F8484

Preview Lab

Preview with #51CEE3

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

Preview Lab → · Contrast checker → · Palette generator →