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#90f2fd

a light, electric cyan · cool · closest name: Pale Turquoise

RGB
144, 242, 253
HSL
186°, 97%, 78%
CMYK
43, 4, 0, 1
Luminance
0.7653

At a glance

Every number on this page in one read: what #90f2fd is made of, how bright it looks, and which way it leans.

Hex
#90f2fd
Hue
186°
cyan
Saturation
97%
electric
Lightness
78%
light
Brightness
99%
HSV value
Perceived
86%
weighted brightness
Luminance
0.7653
WCAG relative
Temperature
Cool
90/100 cool
Color family
Cyan
Tone
Electric
Best ink
Black
16.31:1
Closest name
Pale Turquoise
ΔE2000 5.4
Where it sits
Hue186° of 360°
Saturation97%
Lightness78%
Temperature
Warm ← → Cool90% 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#90f2fd
RGBrgb(144, 242, 253)
HSLhsl(186, 97%, 78%)
CMYKcmyk(43%, 4%, 0%, 1%)
LABlab(90.1 -26.1 -14.3)
LCHlch(90.1 29.8 208.8)
OKLCHoklch(0.905 0.094 204.9)
Decimal9499389
Display P3color(display-p3 0.565 0.949 0.992)

Copy-ready code

/* CSS */
color: #90f2fd;
background-color: #90f2fd;
/* Tailwind (arbitrary) */
class="text-[#90f2fd] bg-[#90f2fd]"
/* SCSS */
$brand: #90f2fd;
/* SwiftUI */
Color(red: 0.565, green: 0.949, blue: 0.992)
/* Android */
Color.parseColor("#90f2fd")
/* Flutter */
Color(0xFF90F2FD)
/* Python / OpenCV (BGR) */
(253, 242, 144)

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 #90f2fd · 16.31:1
Use #000000AAA at every size.
Aa
White text · 1.29:1
AA fail · AA large fail · AAA fail
Aa
Black text · 16.31:1 · recommended
AA pass · AA large pass · AAA pass
Reading the other direction: #90f2fd as text scores 1.29:1 on white and 16.31:1 on black.

Accessibility — WCAG contrast

Aa
#90f2fd on white: 1.29:1
AA ✗ fail · AA-large · AAA
Aa
#90f2fd on black: 16.31:1
AA ✓ pass · AA-large · AAA
true color
protanopia · #E4EBFE
deuteranopia · #D2DDFD
tritanopia · #5CF9F5

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #90f2fd 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.

#F1FCFD
#E4F9FC
#C1F5FB
#90f2fd
#5AECFC
#23E5FB
#04D8F1
#04B4C8
#0390A0
#076874
#044148
Base = 300Lightest = 50 · #F1FCFDDarkest = 950 · #044148
:root {
  --brand-50: #F1FCFD;
  --brand-100: #E4F9FC;
  --brand-200: #C1F5FB;
  --brand-300: #90f2fd;
  --brand-400: #5AECFC;
  --brand-500: #23E5FB;
  --brand-600: #04D8F1;
  --brand-700: #04B4C8;
  --brand-800: #0390A0;
  --brand-900: #076874;
  --brand-950: #044148;
  --brand: #90f2fd;
  --brand-ink: #000000;
}

Colors that work with #90f2fd

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#C0E8ED
Hairlines and dividers
Muted text#4B939B
Captions on the surface
Accent#CC001F
Second voice, not a rival
Dark variant#02717D
Hover, pressed, headers
Light variant#E6FCFF
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 #90f2fd

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
  • Card and section backgrounds
  • 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
  • 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#FD9B90
Analogous left#90FDD1
Analogous right#90BBFD
Split-complement 1#FD90BB
Split-complement 2#FDD190
Triadic 1#FD90F2
Triadic 2#F2FD90
Tetradic#D190FD

RGB percentages

Red56.5%
Green94.9%
Blue99.2%

CMYK percentages

Cyan43.1%
Magenta4.3%
Yellow0.0%
Key (black)0.8%

Color previews

#90f2fd text on a black background

contrast 16.31:1

Card sample

#90f2fd text on a white background

contrast 1.29:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #90f2fd;
Background color
Panel with #90f2fd background
background-color: #90f2fd;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #90f2fd;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(144, 242, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(144, 242, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #90f2fd;
background: linear-gradient(135deg, #90f2fd, #90A9FD);

Monochromatic scale

Palettes built from #90f2fd

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.

#90f2fd 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

Sits outside most CMYK gamuts — expect a duller press result, or specify a spot ink.

#90f2fd, answered

What color is #90f2fd?

#90f2fd is a light electric cyan, closest to Pale Turquoise (ΔE2000 5.4). It sits at 186° on the hue wheel with 97% saturation and 78% lightness, which reads as cool.

What is the RGB value of #90f2fd?

rgb(144, 242, 253) — 144 red, 242 green and 253 blue out of 255, or 56.5% / 94.9% / 99.2% by channel.

Is #90f2fd a light or a dark color?

It is a light color. Relative luminance is 0.7653 and perceived brightness is 86%, so black text on it reaches 16.31:1.

Should I use black or white text on #90f2fd?

Black. It scores 16.31:1 against #90f2fd, versus 1.29:1 for white — AAA at any size.

What is the complementary color of #90f2fd?

#FD9B90 sits directly opposite on the wheel. Softer options are the split-complements #FD90BB and #FDD190, which give the same contrast with far less vibration.

What colors go well with #90f2fd?

For interface work: #F4FAFA as the surface, #C0E8ED for borders, #4B939B for secondary text, #CC001F as an accent and #02717D for hover and pressed states. For a palette, the analogous pair #90FDD1 and #90BBFD stays calm, while #FD9B90 is the loudest partner.

What is #90f2fd in CMYK for printing?

cmyk(43%, 4%, 0%, 1%). This is a screen-to-ink approximation — a color this saturated sits outside most CMYK gamuts and will print duller than it looks here.

Is #90f2fd warm or cool?

Cool — it scores 90 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #90FDE0; nudged cooler, #8FD4FE.

Work with #90f2fd in the Color Lab