#51DFEE#51DFEE

#51DFEE is a very light, vivid teal. Relative luminance 0.607; OKLCH L 83.4% C 0.121 H 205.1°. Best body text is #000000 at 13.14:1 contrast (WCAG AA passes).

Color values

HEX	#51DFEE
RGB	rgb(81, 223, 238)
HSL	hsl(186, 82%, 63%)
HSV	hsv(186, 66%, 93%)
CMYK	cmyk(66%, 6.3%, 0%, 6.7%)
CIE-LAB	lab(82.21, -33.04, -18.51)
CIE-LCH	lch(82.21, 37.87, 209.25°)
OKLab	oklab(83.4% -0.1095 -0.0513)
OKLCH	oklch(83.4% 0.121 205.1)
XYZ	xyz(45.2070, 60.6927, 90.2047)
Luminance	0.6070 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DFEE #EE6051

analogous

#51EEAE #51DFEE #5191EE

triadic

#51DFEE #EE51DF #DFEE51

tetradic

#51DFEE #AE51EE #EE6051 #91EE51

square

#51DFEE #AE51EE #EE6051 #91EE51

split-complementary

#51DFEE #EE5191 #EEAE51

monochromatic

#11A4B3 #19D5E9 #51DFEE #89E9F3 #C1F4F9

Accessibility & contrast

On white

1.60

#51DFEE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.14

#51DFEE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DFEE

13.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DFEE	#FFFFFF	#000000	##000000
##51DFEE	1.00	1.60	13.14	13.14
#FFFFFF	1.60	1.00	21.00	21.00
#000000	13.14	21.00	1.00	1.00
##000000	13.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CED6EF

Deuteranopia (green-blind)

#B6C5EF

Tritanopia (blue-blind)

#00E8E3

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #51dfee;
/* rgb */ color: rgb(81, 223, 238);
/* oklch */ color: oklch(83.4% 0.121 205.1);

Tailwind

colors: {
  custom: {
    50: '#94e9f3',
    500: '#51dfee',
    950: '#000000',
  },
}

SCSS

$custom: #51dfee;
$custom-light: #94e9f3;
$custom-dark: #000000;

JSON

{
  "hex": "#51dfee",
  "rgb": {
    "r": 81,
    "g": 223,
    "b": 238
  },
  "hsl": {
    "h": 185.732,
    "s": 82.199,
    "l": 62.549
  },
  "oklch": {
    "l": 0.83398,
    "c": 0.1209,
    "h": 205.1
  },
  "luminance": 0.60698
}

Semantic roles & 50–950 ramp

primary

#51DFEE

secondary

#B33D30

accent

#1C07DF

background

#FCFEFF

surface

#F5FDFE

border

#CFD5D6

text

#0F1617

muted

#808485

Preview Lab

Preview with #51DFEE

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

Preview Lab → · Contrast checker → · Palette generator →