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#01eee8

a balanced, electric cyan · cool · closest name: Cyan

RGB
1, 238, 232
HSL
179°, 99%, 47%
CMYK
100, 0, 3, 7
Luminance
0.6698

At a glance

Every number on this page in one read: what #01eee8 is made of, how bright it looks, and which way it leans.

Hex
#01eee8
Hue
179°
cyan
Saturation
99%
electric
Lightness
47%
balanced
Brightness
93%
HSV value
Perceived
78%
weighted brightness
Luminance
0.6698
WCAG relative
Temperature
Cool
87/100 cool
Color family
Cyan
Tone
Electric
Best ink
Black
14.40:1
Closest name
Cyan
ΔE2000 4.1
Where it sits
Hue179° of 360°
Saturation99%
Lightness47%
Temperature
Warm ← → Cool87% 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#01eee8
RGBrgb(1, 238, 232)
HSLhsl(179, 99%, 47%)
CMYKcmyk(100%, 0%, 3%, 7%)
LABlab(85.5 -47.4 -10.5)
LCHlch(85.5 48.5 192.5)
OKLCHoklch(0.857 0.147 191.5)
Decimal126696
Display P3color(display-p3 0.004 0.933 0.910)

Copy-ready code

/* CSS */
color: #01eee8;
background-color: #01eee8;
/* Tailwind (arbitrary) */
class="text-[#01eee8] bg-[#01eee8]"
/* SCSS */
$brand: #01eee8;
/* SwiftUI */
Color(red: 0.004, green: 0.933, blue: 0.910)
/* Android */
Color.parseColor("#01eee8")
/* Flutter */
Color(0xFF01EEE8)
/* Python / OpenCV (BGR) */
(232, 238, 1)

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 #01eee8 · 14.40:1
Use #000000AAA at every size.
Aa
White text · 1.46:1
AA fail · AA large fail · AAA fail
Aa
Black text · 14.40:1 · recommended
AA pass · AA large pass · AAA pass
Reading the other direction: #01eee8 as text scores 1.46:1 on white and 14.40:1 on black.

Accessibility — WCAG contrast

Aa
#01eee8 on white: 1.46:1
AA ✗ fail · AA-large · AAA
Aa
#01eee8 on black: 14.40:1
AA ✓ pass · AA-large · AAA
true color
protanopia · #DFE1E8
deuteranopia · #C4CDE9
tritanopia · #00F5EC

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #01eee8 is pinned to step 600; the rest hold its hue and let saturation ease off at the extremes so the pale end never turns neon.

#F1FEFD
#E3FCFC
#C0FBFA
#8FFFFC
#57FEFA
#1FFEF9
#01eee8
#01CBC6
#01A39E
#057572
#034947
Base = 600Lightest = 50 · #F1FEFDDarkest = 950 · #034947
:root {
  --brand-50: #F1FEFD;
  --brand-100: #E3FCFC;
  --brand-200: #C0FBFA;
  --brand-300: #8FFFFC;
  --brand-400: #57FEFA;
  --brand-500: #1FFEF9;
  --brand-600: #01eee8;
  --brand-700: #01CBC6;
  --brand-800: #01A39E;
  --brand-900: #057572;
  --brand-950: #034947;
  --brand: #01eee8;
  --brand-ink: #000000;
}

Colors that work with #01eee8

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#C0EDEC
Hairlines and dividers
Muted text#4B9B99
Captions on the surface
Accent#EF0042
Second voice, not a rival
Dark variant#017F7C
Hover, pressed, headers
Light variant#E6FFFE
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 #01eee8

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#EE0107
Analogous left#01EE72
Analogous right#017EEE
Split-complement 1#EE017E
Split-complement 2#EE7201
Triadic 1#E801EE
Triadic 2#EEE801
Tetradic#7201EE

RGB percentages

Red0.4%
Green93.3%
Blue91.0%

CMYK percentages

Cyan99.6%
Magenta0.0%
Yellow2.5%
Key (black)6.7%

Color previews

#01eee8 text on a black background

contrast 14.40:1

Card sample

#01eee8 text on a white background

contrast 1.46:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #01eee8;
Background color
Panel with #01eee8 background
background-color: #01eee8;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #01eee8;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(1, 238, 232, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(1, 238, 232, 0.45);
Border & gradient
Gradient panel
border: 3px solid #01eee8;
background: linear-gradient(135deg, #01eee8, #0156EE);

Monochromatic scale

Palettes built from #01eee8

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.

#01eee8 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

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

#01eee8, answered

What color is #01eee8?

#01eee8 is a balanced electric cyan, closest to Cyan (ΔE2000 4.1). It sits at 179° on the hue wheel with 99% saturation and 47% lightness, which reads as cool.

What is the RGB value of #01eee8?

rgb(1, 238, 232) — 1 red, 238 green and 232 blue out of 255, or 0.4% / 93.3% / 91% by channel.

Is #01eee8 a light or a dark color?

It is a light color. Relative luminance is 0.6698 and perceived brightness is 78%, so black text on it reaches 14.40:1.

Should I use black or white text on #01eee8?

Black. It scores 14.40:1 against #01eee8, versus 1.46:1 for white — AAA at any size.

What is the complementary color of #01eee8?

#EE0107 sits directly opposite on the wheel. Softer options are the split-complements #EE017E and #EE7201, which give the same contrast with far less vibration.

What colors go well with #01eee8?

For interface work: #F4FAFA as the surface, #C0EDEC for borders, #4B9B99 for secondary text, #EF0042 as an accent and #017F7C for hover and pressed states. For a palette, the analogous pair #01EE72 and #017EEE stays calm, while #EE0107 is the loudest partner.

What is #01eee8 in CMYK for printing?

cmyk(100%, 0%, 3%, 7%). 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 #01eee8 warm or cool?

Cool — it scores 87 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #01EE91; nudged cooler, #00B9EF.

Work with #01eee8 in the Color Lab