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#6cd6db

a balanced, vivid cyan · cool · closest name: Medium Turquoise

RGB
108, 214, 219
HSL
183°, 61%, 64%
CMYK
51, 2, 0, 14
Luminance
0.5640

At a glance

Every number on this page in one read: what #6cd6db is made of, how bright it looks, and which way it leans.

Hex
#6cd6db
Hue
183°
cyan
Saturation
61%
vivid
Lightness
64%
balanced
Brightness
86%
HSV value
Perceived
74%
weighted brightness
Luminance
0.5640
WCAG relative
Temperature
Cool
89/100 cool
Color family
Cyan
Tone
Vivid
Best ink
Black
12.28:1
Closest name
Medium Turquoise
ΔE2000 5.1
Where it sits
Hue183° of 360°
Saturation61%
Lightness64%
Temperature
Warm ← → Cool89% cool

Reads cool. Warm and cool siblings keep the same lightness, so you can swap one in without redoing your contrast maths.

Every format

HEX#6cd6db
RGBrgb(108, 214, 219)
HSLhsl(183, 61%, 64%)
CMYKcmyk(51%, 2%, 0%, 14%)
LABlab(79.8 -29.2 -11.9)
LCHlch(79.8 31.5 202.1)
OKLCHoklch(0.815 0.098 199.5)
Decimal7132891
Display P3color(display-p3 0.424 0.839 0.859)

Copy-ready code

/* CSS */
color: #6cd6db;
background-color: #6cd6db;
/* Tailwind (arbitrary) */
class="text-[#6cd6db] bg-[#6cd6db]"
/* SCSS */
$brand: #6cd6db;
/* SwiftUI */
Color(red: 0.424, green: 0.839, blue: 0.859)
/* Android */
Color.parseColor("#6cd6db")
/* Flutter */
Color(0xFF6CD6DB)
/* Python / OpenCV (BGR) */
(219, 214, 108)

Best text color

Only one of black and white can be right. This is the one, with the number that proves it.

Readable at a glance#000000 on #6cd6db · 12.28:1
Use #000000AAA at every size.
Aa
White text · 1.71:1
AA fail · AA large fail · AAA fail
Aa
Black text · 12.28:1 · recommended
AA pass · AA large pass · AAA pass
Reading the other direction: #6cd6db as text scores 1.71:1 on white and 12.28:1 on black.

Accessibility — WCAG contrast

Aa
#6cd6db on white: 1.71:1
AA ✗ fail · AA-large · AAA
Aa
#6cd6db on black: 12.28:1
AA ✓ pass · AA-large · AAA
true color
protanopia · #C9CEDC
deuteranopia · #B7C0DC
tritanopia · #1ADCD7

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #6cd6db is pinned to step 400; the rest hold its hue and let saturation ease off at the extremes so the pale end never turns neon.

#F4FBFB
#E8F6F7
#CCEEF0
#A5E6E9
#6cd6db
#4BCDD3
#30BEC5
#289EA4
#207F83
#1B5C5F
#113A3C
Base = 400Lightest = 50 · #F4FBFBDarkest = 950 · #113A3C
:root {
  --brand-50: #F4FBFB;
  --brand-100: #E8F6F7;
  --brand-200: #CCEEF0;
  --brand-300: #A5E6E9;
  --brand-400: #6cd6db;
  --brand-500: #4BCDD3;
  --brand-600: #30BEC5;
  --brand-700: #289EA4;
  --brand-800: #207F83;
  --brand-900: #1B5C5F;
  --brand-950: #113A3C;
  --brand: #6cd6db;
  --brand-ink: #000000;
}

Colors that work with #6cd6db

Not a palette — a role sheet. Each swatch answers one question you will hit while building the component.

Text on it#000000
Black wins here
Surface#F4FAFA
Tinted page background
Border#C0EBED
Hairlines and dividers
Muted text#4B979B
Captions on the surface
Accent#DF6881
Second voice, not a rival
Dark variant#196366
Hover, pressed, headers
Light variant#EBF9FA
Selected rows, tints
Dark surface#142424
Dark-mode background
Light mode
Everything in its place

Surface, border, heading and body all derive from this one hue, so the screen stays coherent without a second palette.

Primary actionSecondaryBadge
Dark mode
Same hue, inverted

Lightness flips, hue holds. The accent stays the anchor in both themes.

Primary actionSecondaryAccent

How to use #6cd6db

Derived from its contrast, chroma and lightness — not from taste.

Works well for
  • Text and icons on dark surfaces
  • Primary buttons and calls to action
  • Focus rings, active and selected states
  • Brand accents, badges and data highlights
Use with care
  • Text of any size on white — fails WCAG AA
  • Full-page backgrounds — tiring over long sessions
  • Thin strokes and 1px borders — they disappear on light UI
  • Pairing with a same-lightness hue — edges vibrate

Similar colors

One move away from this hex in each direction. Every swatch is its own page.

Color relationships

The wheel positions with their names attached, so you can grab the one you actually need.

Complementary#DB716C
Analogous left#6CDBA8
Analogous right#6C9EDB
Split-complement 1#DB6C9E
Split-complement 2#DBA86C
Triadic 1#DB6CD6
Triadic 2#D6DB6C
Tetradic#A86CDB

RGB percentages

Red42.4%
Green83.9%
Blue85.9%

CMYK percentages

Cyan50.7%
Magenta2.3%
Yellow0.0%
Key (black)14.1%

Color previews

#6cd6db text on a black background

contrast 12.28:1

Card sample

#6cd6db text on a white background

contrast 1.71:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #6cd6db;
Background color
Panel with #6cd6db background
background-color: #6cd6db;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #6cd6db;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(108, 214, 219, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(108, 214, 219, 0.45);
Border & gradient
Gradient panel
border: 3px solid #6cd6db;
background: linear-gradient(135deg, #6cd6db, #6C8CDB);

Monochromatic scale

Palettes built from #6cd6db

Shades — darker

Tints — lighter

Color harmonies

Nearest named colors

Ranked with CIEDE2000 across all 139 CSS keywords. Under ΔE 2 the eye stops telling them apart; over ΔE 10 they are plainly different colors.

#6cd6db in the real world

Where a color in this family tends to land, and the interface roles it is usually asked to play.

Industries
TechnologyTravelHealthcareMedia
Common UI roles
ButtonsLinksFocus statesCharts
Print note

Converts to four-color process without much drama. Proof it anyway.

#6cd6db, answered

What color is #6cd6db?

#6cd6db is a balanced vivid cyan, closest to Medium Turquoise (ΔE2000 5.1). It sits at 183° on the hue wheel with 61% saturation and 64% lightness, which reads as cool.

What is the RGB value of #6cd6db?

rgb(108, 214, 219) — 108 red, 214 green and 219 blue out of 255, or 42.4% / 83.9% / 85.9% by channel.

Is #6cd6db a light or a dark color?

It is a light color. Relative luminance is 0.5640 and perceived brightness is 74%, so black text on it reaches 12.28:1.

Should I use black or white text on #6cd6db?

Black. It scores 12.28:1 against #6cd6db, versus 1.71:1 for white — AAA at any size.

What is the complementary color of #6cd6db?

#DB716C sits directly opposite on the wheel. Softer options are the split-complements #DB6C9E and #DBA86C, which give the same contrast with far less vibration.

What colors go well with #6cd6db?

For interface work: #F4FAFA as the surface, #C0EBED for borders, #4B979B for secondary text, #DF6881 as an accent and #196366 for hover and pressed states. For a palette, the analogous pair #6CDBA8 and #6C9EDB stays calm, while #DB716C is the loudest partner.

What is #6cd6db in CMYK for printing?

cmyk(51%, 2%, 0%, 14%). This is a screen-to-ink approximation — ask your printer for a proof before committing to a run.

Is #6cd6db warm or cool?

Cool — it scores 89 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #6CDBB7; nudged cooler, #6AB4DD.

Work with #6cd6db in the Color Lab