Skip to content

#4cdadf

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

RGB
76, 218, 223
HSL
182°, 70%, 59%
CMYK
66, 2, 0, 13
Luminance
0.5701

At a glance

Every number on this page in one read: what #4cdadf is made of, how bright it looks, and which way it leans.

Hex
#4cdadf
Hue
182°
cyan
Saturation
70%
vivid
Lightness
59%
balanced
Brightness
87%
HSV value
Perceived
74%
weighted brightness
Luminance
0.5701
WCAG relative
Temperature
Cool
88/100 cool
Color family
Cyan
Tone
Vivid
Best ink
Black
12.40:1
Closest name
Dark Turquoise
ΔE2000 3.9
Where it sits
Hue182° of 360°
Saturation70%
Lightness59%
Temperature
Warm ← → Cool88% 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#4cdadf
RGBrgb(76, 218, 223)
HSLhsl(182, 70%, 59%)
CMYKcmyk(66%, 2%, 0%, 13%)
LABlab(80.2 -35.7 -13.6)
LCHlch(80.2 38.2 200.9)
OKLCHoklch(0.816 0.119 198.5)
Decimal5036767
Display P3color(display-p3 0.298 0.855 0.875)

Copy-ready code

/* CSS */
color: #4cdadf;
background-color: #4cdadf;
/* Tailwind (arbitrary) */
class="text-[#4cdadf] bg-[#4cdadf]"
/* SCSS */
$brand: #4cdadf;
/* SwiftUI */
Color(red: 0.298, green: 0.855, blue: 0.875)
/* Android */
Color.parseColor("#4cdadf")
/* Flutter */
Color(0xFF4CDADF)
/* Python / OpenCV (BGR) */
(223, 218, 76)

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 #4cdadf · 12.40:1
Use #000000AAA at every size.
Aa
White text · 1.69:1
AA fail · AA large fail · AAA fail
Aa
Black text · 12.40:1 · recommended
AA pass · AA large pass · AAA pass
Reading the other direction: #4cdadf as text scores 1.69:1 on white and 12.40:1 on black.

Accessibility — WCAG contrast

Aa
#4cdadf on white: 1.69:1
AA ✗ fail · AA-large · AAA
Aa
#4cdadf on black: 12.40:1
AA ✓ pass · AA-large · AAA
true color
protanopia · #CBD0E0
deuteranopia · #B5C0E0
tritanopia · #00E1DB

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #4cdadf is pinned to step 500; the rest hold its hue and let saturation ease off at the extremes so the pale end never turns neon.

#F3FBFC
#E7F7F8
#CAF1F2
#A0EBEE
#70E2E6
#4cdadf
#25CAD0
#1FA8AD
#19878A
#166264
#0E3D3F
Base = 500Lightest = 50 · #F3FBFCDarkest = 950 · #0E3D3F
:root {
  --brand-50: #F3FBFC;
  --brand-100: #E7F7F8;
  --brand-200: #CAF1F2;
  --brand-300: #A0EBEE;
  --brand-400: #70E2E6;
  --brand-500: #4cdadf;
  --brand-600: #25CAD0;
  --brand-700: #1FA8AD;
  --brand-800: #19878A;
  --brand-900: #166264;
  --brand-950: #0E3D3F;
  --brand: #4cdadf;
  --brand-ink: #000000;
}

Colors that work with #4cdadf

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#4B989B
Captions on the surface
Accent#E34869
Second voice, not a rival
Dark variant#13696C
Hover, pressed, headers
Light variant#E9FBFB
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 #4cdadf

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#DF514C
Analogous left#4CDF9A
Analogous right#4C91DF
Split-complement 1#DF4C91
Split-complement 2#DF9A4C
Triadic 1#DF4CDA
Triadic 2#DADF4C
Tetradic#9A4CDF

RGB percentages

Red29.8%
Green85.5%
Blue87.5%

CMYK percentages

Cyan65.9%
Magenta2.2%
Yellow0.0%
Key (black)12.5%

Color previews

#4cdadf text on a black background

contrast 12.40:1

Card sample

#4cdadf text on a white background

contrast 1.69:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #4cdadf;
Background color
Panel with #4cdadf background
background-color: #4cdadf;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #4cdadf;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(76, 218, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(76, 218, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #4cdadf;
background: linear-gradient(135deg, #4cdadf, #4C78DF);

Monochromatic scale

Palettes built from #4cdadf

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.

#4cdadf 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.

#4cdadf, answered

What color is #4cdadf?

#4cdadf is a balanced vivid cyan, closest to Dark Turquoise (ΔE2000 3.9). It sits at 182° on the hue wheel with 70% saturation and 59% lightness, which reads as cool.

What is the RGB value of #4cdadf?

rgb(76, 218, 223) — 76 red, 218 green and 223 blue out of 255, or 29.8% / 85.5% / 87.5% by channel.

Is #4cdadf a light or a dark color?

It is a light color. Relative luminance is 0.5701 and perceived brightness is 74%, so black text on it reaches 12.40:1.

Should I use black or white text on #4cdadf?

Black. It scores 12.40:1 against #4cdadf, versus 1.69:1 for white — AAA at any size.

What is the complementary color of #4cdadf?

#DF514C sits directly opposite on the wheel. Softer options are the split-complements #DF4C91 and #DF9A4C, which give the same contrast with far less vibration.

What colors go well with #4cdadf?

For interface work: #F4FAFA as the surface, #C0EBED for borders, #4B989B for secondary text, #E34869 as an accent and #13696C for hover and pressed states. For a palette, the analogous pair #4CDF9A and #4C91DF stays calm, while #DF514C is the loudest partner.

What is #4cdadf in CMYK for printing?

cmyk(66%, 2%, 0%, 13%). This is a screen-to-ink approximation — ask your printer for a proof before committing to a run.

Is #4cdadf warm or cool?

Cool — it scores 88 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #4CDFAE; nudged cooler, #4AB1E1.

Work with #4cdadf in the Color Lab