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#2df8d0

a balanced, electric cyan · cool · closest name: Aqua Marine

RGB
45, 248, 208
HSL
168°, 94%, 58%
CMYK
82, 0, 16, 3
Luminance
0.7225

At a glance

Every number on this page in one read: what #2df8d0 is made of, how bright it looks, and which way it leans.

Hex
#2df8d0
Hue
168°
cyan
Saturation
94%
electric
Lightness
58%
balanced
Brightness
97%
HSV value
Perceived
80%
weighted brightness
Luminance
0.7225
WCAG relative
Temperature
Cool
83/100 cool
Color family
Cyan
Tone
Electric
Best ink
Black
15.45:1
Closest name
Aqua Marine
ΔE2000 4.8
Where it sits
Hue168° of 360°
Saturation94%
Lightness58%
Temperature
Warm ← → Cool83% 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#2df8d0
RGBrgb(45, 248, 208)
HSLhsl(168, 94%, 58%)
CMYKcmyk(82%, 0%, 16%, 3%)
LABlab(88.1 -56.0 5.9)
LCHlch(88.1 56.3 174.0)
OKLCHoklch(0.877 0.159 174.7)
Decimal3012816
Display P3color(display-p3 0.176 0.973 0.816)

Copy-ready code

/* CSS */
color: #2df8d0;
background-color: #2df8d0;
/* Tailwind (arbitrary) */
class="text-[#2df8d0] bg-[#2df8d0]"
/* SCSS */
$brand: #2df8d0;
/* SwiftUI */
Color(red: 0.176, green: 0.973, blue: 0.816)
/* Android */
Color.parseColor("#2df8d0")
/* Flutter */
Color(0xFF2DF8D0)
/* Python / OpenCV (BGR) */
(208, 248, 45)

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 #2df8d0 · 15.45:1
Use #000000AAA at every size.
Aa
White text · 1.36:1
AA fail · AA large fail · AAA fail
Aa
Black text · 15.45:1 · recommended
AA pass · AA large pass · AAA pass
Reading the other direction: #2df8d0 as text scores 1.36:1 on white and 15.45:1 on black.

Accessibility — WCAG contrast

Aa
#2df8d0 on white: 1.36:1
AA ✗ fail · AA-large · AAA
Aa
#2df8d0 on black: 15.45:1
AA ✓ pass · AA-large · AAA
true color
protanopia · #EFE8CE
deuteranopia · #D6D5D3
tritanopia · #00FBEC

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #2df8d0 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.

#F2FDFB
#E4FBF7
#C2FAEF
#92FBE7
#5CFADB
#2df8d0
#08EDC0
#07C5A0
#059E80
#09725D
#05473A
Base = 500Lightest = 50 · #F2FDFBDarkest = 950 · #05473A
:root {
  --brand-50: #F2FDFB;
  --brand-100: #E4FBF7;
  --brand-200: #C2FAEF;
  --brand-300: #92FBE7;
  --brand-400: #5CFADB;
  --brand-500: #2df8d0;
  --brand-600: #08EDC0;
  --brand-700: #07C5A0;
  --brand-800: #059E80;
  --brand-900: #09725D;
  --brand-950: #05473A;
  --brand: #2df8d0;
  --brand-ink: #000000;
}

Colors that work with #2df8d0

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#F4FAF9
Tinted page background
Border#C0EDE4
Hairlines and dividers
Muted text#4B9B8B
Captions on the surface
Accent#FC2987
Second voice, not a rival
Dark variant#047B64
Hover, pressed, headers
Light variant#E6FEF9
Selected rows, tints
Dark surface#142421
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 #2df8d0

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#F82D55
Analogous left#2DF86B
Analogous right#2DBAF8
Split-complement 1#F82DBA
Split-complement 2#F86B2D
Triadic 1#D02DF8
Triadic 2#F8D02D
Tetradic#6B2DF8

RGB percentages

Red17.6%
Green97.3%
Blue81.6%

CMYK percentages

Cyan81.9%
Magenta0.0%
Yellow16.1%
Key (black)2.7%

Color previews

#2df8d0 text on a black background

contrast 15.45:1

Card sample

#2df8d0 text on a white background

contrast 1.36:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #2df8d0;
Background color
Panel with #2df8d0 background
background-color: #2df8d0;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #2df8d0;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(45, 248, 208, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(45, 248, 208, 0.45);
Border & gradient
Gradient panel
border: 3px solid #2df8d0;
background: linear-gradient(135deg, #2df8d0, #2D99F8);

Monochromatic scale

Palettes built from #2df8d0

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.

#2df8d0 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.

#2df8d0, answered

What color is #2df8d0?

#2df8d0 is a balanced electric cyan, closest to Aqua Marine (ΔE2000 4.8). It sits at 168° on the hue wheel with 94% saturation and 58% lightness, which reads as cool.

What is the RGB value of #2df8d0?

rgb(45, 248, 208) — 45 red, 248 green and 208 blue out of 255, or 17.6% / 97.3% / 81.6% by channel.

Is #2df8d0 a light or a dark color?

It is a light color. Relative luminance is 0.7225 and perceived brightness is 80%, so black text on it reaches 15.45:1.

Should I use black or white text on #2df8d0?

Black. It scores 15.45:1 against #2df8d0, versus 1.36:1 for white — AAA at any size.

What is the complementary color of #2df8d0?

#F82D55 sits directly opposite on the wheel. Softer options are the split-complements #F82DBA and #F86B2D, which give the same contrast with far less vibration.

What colors go well with #2df8d0?

For interface work: #F4FAF9 as the surface, #C0EDE4 for borders, #4B9B8B for secondary text, #FC2987 as an accent and #047B64 for hover and pressed states. For a palette, the analogous pair #2DF86B and #2DBAF8 stays calm, while #F82D55 is the loudest partner.

What is #2df8d0 in CMYK for printing?

cmyk(82%, 0%, 16%, 3%). 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 #2df8d0 warm or cool?

Cool — it scores 83 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #2DF886; nudged cooler, #2BD7FA.

Work with #2df8d0 in the Color Lab