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#aecfd4

a light, soft cyan · cool · closest name: Light Blue

RGB
174, 207, 212
HSL
188°, 31%, 76%
CMYK
18, 2, 0, 17
Luminance
0.5838

At a glance

Every number on this page in one read: what #aecfd4 is made of, how bright it looks, and which way it leans.

Hex
#aecfd4
Hue
188°
cyan
Saturation
31%
soft
Lightness
76%
light
Brightness
83%
HSV value
Perceived
78%
weighted brightness
Luminance
0.5838
WCAG relative
Temperature
Cool
86/100 cool
Color family
Cyan
Tone
Soft
Best ink
Black
12.68:1
Closest name
Light Blue
ΔE2000 4.2
Where it sits
Hue188° of 360°
Saturation31%
Lightness76%
Temperature
Warm ← → Cool86% 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#aecfd4
RGBrgb(174, 207, 212)
HSLhsl(188, 31%, 76%)
CMYKcmyk(18%, 2%, 0%, 17%)
LABlab(81.0 -9.9 -6.1)
LCHlch(81.0 11.6 211.9)
OKLCHoklch(0.832 0.036 207.7)
Decimal11456468
Display P3color(display-p3 0.682 0.812 0.831)

Copy-ready code

/* CSS */
color: #aecfd4;
background-color: #aecfd4;
/* Tailwind (arbitrary) */
class="text-[#aecfd4] bg-[#aecfd4]"
/* SCSS */
$brand: #aecfd4;
/* SwiftUI */
Color(red: 0.682, green: 0.812, blue: 0.831)
/* Android */
Color.parseColor("#aecfd4")
/* Flutter */
Color(0xFFAECFD4)
/* Python / OpenCV (BGR) */
(212, 207, 174)

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 #aecfd4 · 12.68:1
Use #000000AAA at every size.
Aa
White text · 1.66:1
AA fail · AA large fail · AAA fail
Aa
Black text · 12.68:1 · recommended
AA pass · AA large pass · AAA pass
Reading the other direction: #aecfd4 as text scores 1.66:1 on white and 12.68:1 on black.

Accessibility — WCAG contrast

Aa
#aecfd4 on white: 1.66:1
AA ✗ fail · AA-large · AAA
Aa
#aecfd4 on black: 12.68:1
AA ✓ pass · AA-large · AAA
true color
protanopia · #C9CCD4
deuteranopia · #C2C7D4
tritanopia · #A3D2D0

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #aecfd4 is pinned to step 300; the rest hold its hue and let saturation ease off at the extremes so the pale end never turns neon.

#F6F9F9
#ECF2F3
#D5E4E7
#aecfd4
#91BEC5
#6CA8B1
#5596A0
#477D85
#39646B
#2C4A4E
#1B2E31
Base = 300Lightest = 50 · #F6F9F9Darkest = 950 · #1B2E31
:root {
  --brand-50: #F6F9F9;
  --brand-100: #ECF2F3;
  --brand-200: #D5E4E7;
  --brand-300: #aecfd4;
  --brand-400: #91BEC5;
  --brand-500: #6CA8B1;
  --brand-600: #5596A0;
  --brand-700: #477D85;
  --brand-800: #39646B;
  --brand-900: #2C4A4E;
  --brand-950: #1B2E31;
  --brand: #aecfd4;
  --brand-ink: #000000;
}

Colors that work with #aecfd4

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#F5F9FA
Tinted page background
Border#CADFE3
Hairlines and dividers
Muted text#508D96
Captions on the surface
Accent#89434C
Second voice, not a rival
Dark variant#2C4E53
Hover, pressed, headers
Light variant#EEF5F6
Selected rows, tints
Dark surface#142224
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 #aecfd4

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

Works well for
  • Text and icons on dark surfaces
  • Charts, tags and secondary surfaces
  • Card and section backgrounds
  • Brand accents, badges and data highlights
Use with care
  • Text of any size on white — fails WCAG AA
  • White text placed on it
  • 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#D4B3AE
Analogous left#AED4C6
Analogous right#AEBCD4
Split-complement 1#D4AEBC
Split-complement 2#D4C6AE
Triadic 1#D4AECF
Triadic 2#CFD4AE
Tetradic#C6AED4

RGB percentages

Red68.2%
Green81.2%
Blue83.1%

CMYK percentages

Cyan17.9%
Magenta2.4%
Yellow0.0%
Key (black)16.9%

Color previews

#aecfd4 text on a black background

contrast 12.68:1

Card sample

#aecfd4 text on a white background

contrast 1.66:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #aecfd4;
Background color
Panel with #aecfd4 background
background-color: #aecfd4;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #aecfd4;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(174, 207, 212, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(174, 207, 212, 0.45);
Border & gradient
Gradient panel
border: 3px solid #aecfd4;
background: linear-gradient(135deg, #aecfd4, #AEB6D4);

Monochromatic scale

Palettes built from #aecfd4

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.

#aecfd4 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
SurfacesBadgesHighlightsEmpty states
Print note

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

#aecfd4, answered

What color is #aecfd4?

#aecfd4 is a light soft cyan, closest to Light Blue (ΔE2000 4.2). It sits at 188° on the hue wheel with 31% saturation and 76% lightness, which reads as cool.

What is the RGB value of #aecfd4?

rgb(174, 207, 212) — 174 red, 207 green and 212 blue out of 255, or 68.2% / 81.2% / 83.1% by channel.

Is #aecfd4 a light or a dark color?

It is a light color. Relative luminance is 0.5838 and perceived brightness is 78%, so black text on it reaches 12.68:1.

Should I use black or white text on #aecfd4?

Black. It scores 12.68:1 against #aecfd4, versus 1.66:1 for white — AAA at any size.

What is the complementary color of #aecfd4?

#D4B3AE sits directly opposite on the wheel. Softer options are the split-complements #D4AEBC and #D4C6AE, which give the same contrast with far less vibration.

What colors go well with #aecfd4?

For interface work: #F5F9FA as the surface, #CADFE3 for borders, #508D96 for secondary text, #89434C as an accent and #2C4E53 for hover and pressed states. For a palette, the analogous pair #AED4C6 and #AEBCD4 stays calm, while #D4B3AE is the loudest partner.

What is #aecfd4 in CMYK for printing?

cmyk(18%, 2%, 0%, 17%). This is a screen-to-ink approximation — ask your printer for a proof before committing to a run.

Is #aecfd4 warm or cool?

Cool — it scores 86 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #AED4CB; nudged cooler, #ADC3D5.

Work with #aecfd4 in the Color Lab