#51E1E4#51E1E4

#51E1E4 is a very light, vivid teal. Relative luminance 0.612; OKLCH L 83.5% C 0.121 H 197.1°. Best body text is #000000 at 13.24:1 contrast (WCAG AA passes).

Color values

HEX	#51E1E4
RGB	rgb(81, 225, 228)
HSL	hsl(181, 73%, 61%)
HSV	hsv(181, 64%, 89%)
CMYK	cmyk(64.5%, 1.3%, 0%, 10.6%)
CIE-LAB	lab(82.48, -36.79, -12.80)
CIE-LCH	lch(82.48, 38.95, 199.18°)
OKLab	oklab(83.52% -0.1155 -0.0355)
OKLCH	oklch(83.52% 0.121 197.1)
XYZ	xyz(44.3160, 61.1963, 82.8603)
Luminance	0.6120 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E1E4 #E45451

analogous

#51E49D #51E1E4 #5198E4

triadic

#51E1E4 #E451E1 #E1E451

tetradic

#51E1E4 #9D51E4 #E45451 #98E451

square

#51E1E4 #9D51E4 #E45451 #98E451

split-complementary

#51E1E4 #E45198 #E49D51

monochromatic

#199FA2 #21D3D7 #51E1E4 #86EAEC #BBF3F4

Accessibility & contrast

On white

1.59

#51E1E4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.24

#51E1E4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E1E4

13.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E1E4	#FFFFFF	#000000	##000000
##51E1E4	1.00	1.59	13.24	13.24
#FFFFFF	1.59	1.00	21.00	21.00
#000000	13.24	21.00	1.00	1.00
##000000	13.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2D7E4

Deuteranopia (green-blind)

#BCC6E5

Tritanopia (blue-blind)

#00E8E1

Achromatopsia (no color)

#CDCDCD

Design tokens & code

CSS

--color: #51e1e4;
/* rgb */ color: rgb(81, 225, 228);
/* oklch */ color: oklch(83.5% 0.121 197.1);

Tailwind

colors: {
  custom: {
    50: '#94ebec',
    500: '#51e1e4',
    950: '#000000',
  },
}

SCSS

$custom: #51e1e4;
$custom-light: #94ebec;
$custom-dark: #000000;

JSON

{
  "hex": "#51e1e4",
  "rgb": {
    "r": 81,
    "g": 225,
    "b": 228
  },
  "hsl": {
    "h": 181.224,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.83515,
    "c": 0.12086,
    "h": 197.1
  },
  "luminance": 0.61201
}

Semantic roles & 50–950 ramp

primary

#51E1E4

secondary

#A43735

accent

#1410D5

background

#FCFEFE

surface

#F5FDFD

border

#CFD5D5

text

#0F1616

muted

#808484

Preview Lab

Preview with #51E1E4

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

Preview Lab → · Contrast checker → · Palette generator →