#51E4E4#51E4E4

#51E4E4 is a very light, vivid teal. Relative luminance 0.628; OKLCH L 84.2% C 0.123 H 195.1°. Best body text is #000000 at 13.57:1 contrast (WCAG AA passes).

Color values

HEX	#51E4E4
RGB	rgb(81, 228, 228)
HSL	hsl(180, 73%, 61%)
HSV	hsv(180, 64%, 89%)
CMYK	cmyk(64.5%, 0%, 0%, 10.6%)
CIE-LAB	lab(83.35, -38.17, -11.50)
CIE-LCH	lch(83.35, 39.86, 196.76°)
OKLab	oklab(84.22% -0.1185 -0.0319)
OKLCH	oklch(84.22% 0.123 195.1)
XYZ	xyz(45.1341, 62.8325, 83.1330)
Luminance	0.6284 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E4E4 #E45151

analogous

#51E49A #51E4E4 #519AE4

triadic

#51E4E4 #E451E4 #E4E451

tetradic

#51E4E4 #9A51E4 #E45151 #9AE451

square

#51E4E4 #9A51E4 #E45151 #9AE451

split-complementary

#51E4E4 #E4519A #E49A51

monochromatic

#19A2A2 #21D7D7 #51E4E4 #86ECEC #BBF4F4

Accessibility & contrast

On white

1.55

#51E4E4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.57

#51E4E4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E4E4

13.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E4E4	#FFFFFF	#000000	##000000
##51E4E4	1.00	1.55	13.57	13.57
#FFFFFF	1.55	1.00	21.00	21.00
#000000	13.57	21.00	1.00	1.00
##000000	13.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6D9E4

Deuteranopia (green-blind)

#BFC9E5

Tritanopia (blue-blind)

#00EBE4

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #51e4e4;
/* rgb */ color: rgb(81, 228, 228);
/* oklch */ color: oklch(84.2% 0.123 195.1);

Tailwind

colors: {
  custom: {
    50: '#94edec',
    500: '#51e4e4',
    950: '#000000',
  },
}

SCSS

$custom: #51e4e4;
$custom-light: #94edec;
$custom-dark: #000000;

JSON

{
  "hex": "#51e4e4",
  "rgb": {
    "r": 81,
    "g": 228,
    "b": 228
  },
  "hsl": {
    "h": 180,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.8422,
    "c": 0.12273,
    "h": 195.1
  },
  "luminance": 0.62838
}

Semantic roles & 50–950 ramp

primary

#51E4E4

secondary

#A43535

accent

#1010D5

background

#FCFFFE

surface

#F5FEFD

border

#CFD6D5

text

#0F1616

muted

#808584

Preview Lab

Preview with #51E4E4

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

Preview Lab → · Contrast checker → · Palette generator →