#18C5EC Color

#18C5EC is rgb(24, 197, 236) in RGB, hsl(191, 85%, 51%) in HSL, and about cmyk(90%, 17%, 0%, 7%) in CMYK. It has no registered color name of its own — the closest is Vivid Sky Blue (#00CCFF), clearly related but distinguishable side by side at ΔE 6.83. Black text is the more readable choice on this background.

#18C5EC

HEX#18C5EC

RGBrgb(24, 197, 236)

HSLhsl(191, 85%, 51%)

HSVhsv(191, 90%, 93%)

CMYKcmyk(90%, 17%, 0%, 7%)

OKLCHoklch(76.2% 0.135 219.4)

LABlab(73.10% -31.15 -31.41)

LCHlch(73.10% 44.23 225.24)

What #18C5EC Is Called

Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #18C5EC, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Vivid Sky Blue#00CCFFΔE 6.83 Blizzard Blue#50BFE6ΔE 7.63 Cerulean (Crayola)#1DACD6ΔE 9.97 Pacific Blue#1CA9C9ΔE 11.09 Maximum Blue#47ABCCΔE 12.93 Moonstone#3AA8C1ΔE 14.08

Browse the full index of named colors A-Z or every teal in the library.

#18C5EC Channel Values

How #18C5EC breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

Model	Channels	Notes
RGB	R 24 · G 197 · B 236	8-bit channels as sent to the display
HSL	H 191° · S 85% · L 51%	Easiest model for building lighter and darker variants
HSV	H 191° · S 90% · V 93%	Matches the picker in most design tools
CMYK	C 90% · M 17% · Y 0% · K 7%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	2.05:1 vs white · 10.24:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #18C5EC background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.

Fails AAWhite text2.05:1AA normal AA large AAA normal

TextBlack text10.24:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #18C5EC in the contrast checker.

Colors That Go With #18C5EC

Pairings derived from color-wheel relationships. The complementary color sits opposite #18C5EC; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base

Complementary

Analogous

Analogous

Triadic

Triadic

Split comp.

Split comp.

Tints & Shades of #18C5EC

Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.

Tints

Shades

Want a full 50-950 ramp with semantic roles? Generate design tokens from #18C5EC.

How #18C5EC Looks with Color Vision Deficiency

Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.

Typical#18C5EC

Protanopia#B5B5EC

Protanomaly#91BCEC

Deuteranopia#A5A5EE

Deuteranomaly#84B3ED

Tritanopia#00CACA

Tritanomaly#00C8D9

Achromatopsia#B5B5B5

Test a full palette in the color blindness simulator.

Using #18C5EC in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--color-18c5ec: #18C5EC;

CSS backgroundbackground-color: #18C5EC;

Tailwind configcolors: { 'color-18c5ec': '#18C5EC' }

SwiftUIColor(red: 0.094, green: 0.773, blue: 0.925)

Android XML<color name="color_18c5ec">#18C5EC</color>

SVG fillfill="#18C5EC"

More Teal Colors

#18C5EC sits in the teal family. These are its neighbours across that family's full range, each with its own breakdown.

002424 f5ffff 002a38 f0ffff 002d2e eefbfb 003333 ecfeff 003542 ecf7f9 003838 ebffff 006466 009999 00ebeb 0d1616 192929 24fbff 36747d 50bfe6 73a9c2 8dd9cc aec6cf ccffff

#18C5EC Frequently Asked Questions

What color is #18C5EC?

#18C5EC is a mid-tone teal — rgb(24, 197, 236) in RGB and hsl(191, 85%, 51%) in HSL. It carries no registered color name of its own; the closest named color is Vivid Sky Blue (#00CCFF), which is clearly related but distinguishable side by side at a CIE76 distance of 6.83.

What is the RGB value of #18C5EC?

#18C5EC is rgb(24, 197, 236) — red 24, green 197, and blue 236 on the 0-255 scale.

What is the CMYK value of #18C5EC?

#18C5EC converts to approximately cmyk(90%, 17%, 0%, 7%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #18C5EC be black or white?

Black text is the more readable choice. #18C5EC scores 2.05:1 against white and 10.24:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #18C5EC as a CSS color keyword?

No. #18C5EC is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is deepskyblue (#00BFFF) at a CIE76 distance of 14.12, which is visibly different.

Open #18C5EC in a Tool

Hex to RGB Hex to HSL Hex to CMYK Hex to OKLCH Hex to Pantone Build a palette Make a gradient

Keep exploring: every teal in the color library, the guide to shades of teal, or the full color library.