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#6ecfd5

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

RGB
110, 207, 213
HSL
184°, 55%, 63%
CMYK
48, 3, 0, 17
Luminance
0.5274

At a glance

Every number on this page in one read: what #6ecfd5 is made of, how bright it looks, and which way it leans.

Hex
#6ecfd5
Hue
184°
cyan
Saturation
55%
vivid
Lightness
63%
balanced
Brightness
84%
HSV value
Perceived
72%
weighted brightness
Luminance
0.5274
WCAG relative
Temperature
Cool
89/100 cool
Color family
Cyan
Tone
Vivid
Best ink
Black
11.55:1
Closest name
Medium Turquoise
ΔE2000 5.6
Where it sits
Hue184° of 360°
Saturation55%
Lightness63%
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#6ecfd5
RGBrgb(110, 207, 213)
HSLhsl(184, 55%, 63%)
CMYKcmyk(48%, 3%, 0%, 17%)
LABlab(77.7 -27.0 -11.8)
LCHlch(77.7 29.4 203.7)
OKLCHoklch(0.798 0.092 200.8)
Decimal7262165
Display P3color(display-p3 0.431 0.812 0.835)

Copy-ready code

/* CSS */
color: #6ecfd5;
background-color: #6ecfd5;
/* Tailwind (arbitrary) */
class="text-[#6ecfd5] bg-[#6ecfd5]"
/* SCSS */
$brand: #6ecfd5;
/* SwiftUI */
Color(red: 0.431, green: 0.812, blue: 0.835)
/* Android */
Color.parseColor("#6ecfd5")
/* Flutter */
Color(0xFF6ECFD5)
/* Python / OpenCV (BGR) */
(213, 207, 110)

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 #6ecfd5 · 11.55:1
Use #000000AAA at every size.
Aa
White text · 1.82:1
AA fail · AA large fail · AAA fail
Aa
Black text · 11.55:1 · recommended
AA pass · AA large pass · AAA pass
Reading the other direction: #6ecfd5 as text scores 1.82:1 on white and 11.55:1 on black.

Accessibility — WCAG contrast

Aa
#6ecfd5 on white: 1.82:1
AA ✗ fail · AA-large · AAA
Aa
#6ecfd5 on black: 11.55:1
AA ✓ pass · AA-large · AAA
true color
protanopia · #C3C8D6
deuteranopia · #B2BBD6
tritanopia · #2FD5D1

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #6ecfd5 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.

#F4FAFB
#E9F6F6
#CEECEE
#A8E2E6
#6ecfd5
#51C5CD
#37B6BE
#2E989E
#25797F
#1E595C
#13373A
Base = 400Lightest = 50 · #F4FAFBDarkest = 950 · #13373A
:root {
  --brand-50: #F4FAFB;
  --brand-100: #E9F6F6;
  --brand-200: #CEECEE;
  --brand-300: #A8E2E6;
  --brand-400: #6ecfd5;
  --brand-500: #51C5CD;
  --brand-600: #37B6BE;
  --brand-700: #2E989E;
  --brand-800: #25797F;
  --brand-900: #1E595C;
  --brand-950: #13373A;
  --brand: #6ecfd5;
  --brand-ink: #000000;
}

Colors that work with #6ecfd5

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#C0EAED
Hairlines and dividers
Muted text#4B969B
Captions on the surface
Accent#D96A7F
Second voice, not a rival
Dark variant#1D5F63
Hover, pressed, headers
Light variant#EBF8F9
Selected rows, tints
Dark surface#142324
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 #6ecfd5

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#D5746E
Analogous left#6ED5A7
Analogous right#6E9BD5
Split-complement 1#D56E9B
Split-complement 2#D5A76E
Triadic 1#D56ECF
Triadic 2#CFD56E
Tetradic#A76ED5

RGB percentages

Red43.1%
Green81.2%
Blue83.5%

CMYK percentages

Cyan48.4%
Magenta2.8%
Yellow0.0%
Key (black)16.5%

Color previews

#6ecfd5 text on a black background

contrast 11.55:1

Card sample

#6ecfd5 text on a white background

contrast 1.82:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #6ecfd5;
Background color
Panel with #6ecfd5 background
background-color: #6ecfd5;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #6ecfd5;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(110, 207, 213, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(110, 207, 213, 0.45);
Border & gradient
Gradient panel
border: 3px solid #6ecfd5;
background: linear-gradient(135deg, #6ecfd5, #6E8AD5);

Monochromatic scale

Palettes built from #6ecfd5

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.

#6ecfd5 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.

#6ecfd5, answered

What color is #6ecfd5?

#6ecfd5 is a balanced vivid cyan, closest to Medium Turquoise (ΔE2000 5.6). It sits at 184° on the hue wheel with 55% saturation and 63% lightness, which reads as cool.

What is the RGB value of #6ecfd5?

rgb(110, 207, 213) — 110 red, 207 green and 213 blue out of 255, or 43.1% / 81.2% / 83.5% by channel.

Is #6ecfd5 a light or a dark color?

It is a light color. Relative luminance is 0.5274 and perceived brightness is 72%, so black text on it reaches 11.55:1.

Should I use black or white text on #6ecfd5?

Black. It scores 11.55:1 against #6ecfd5, versus 1.82:1 for white — AAA at any size.

What is the complementary color of #6ecfd5?

#D5746E sits directly opposite on the wheel. Softer options are the split-complements #D56E9B and #D5A76E, which give the same contrast with far less vibration.

What colors go well with #6ecfd5?

For interface work: #F4FAFA as the surface, #C0EAED for borders, #4B969B for secondary text, #D96A7F as an accent and #1D5F63 for hover and pressed states. For a palette, the analogous pair #6ED5A7 and #6E9BD5 stays calm, while #D5746E is the loudest partner.

What is #6ecfd5 in CMYK for printing?

cmyk(48%, 3%, 0%, 17%). This is a screen-to-ink approximation — ask your printer for a proof before committing to a run.

Is #6ecfd5 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 #6ED5B5; nudged cooler, #6CB0D7.

Work with #6ecfd5 in the Color Lab