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#33ccc6

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

RGB
51, 204, 198
HSL
178°, 60%, 50%
CMYK
75, 0, 3, 20
Luminance
0.4797

At a glance

Every number on this page in one read: what #33ccc6 is made of, how bright it looks, and which way it leans.

Hex
#33ccc6
Hue
178°
cyan
Saturation
60%
vivid
Lightness
50%
balanced
Brightness
80%
HSV value
Perceived
68%
weighted brightness
Luminance
0.4797
WCAG relative
Temperature
Cool
87/100 cool
Color family
Cyan
Tone
Vivid
Best ink
Black
10.59:1
Closest name
Medium Turquoise
ΔE2000 1.7
Where it sits
Hue178° of 360°
Saturation60%
Lightness50%
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#33ccc6
RGBrgb(51, 204, 198)
HSLhsl(178, 60%, 50%)
CMYKcmyk(75%, 0%, 3%, 20%)
LABlab(74.8 -39.4 -8.3)
LCHlch(74.8 40.3 191.8)
OKLCHoklch(0.768 0.122 190.9)
Decimal3394758
Display P3color(display-p3 0.200 0.800 0.776)

Copy-ready code

/* CSS */
color: #33ccc6;
background-color: #33ccc6;
/* Tailwind (arbitrary) */
class="text-[#33ccc6] bg-[#33ccc6]"
/* SCSS */
$brand: #33ccc6;
/* SwiftUI */
Color(red: 0.200, green: 0.800, blue: 0.776)
/* Android */
Color.parseColor("#33ccc6")
/* Flutter */
Color(0xFF33CCC6)
/* Python / OpenCV (BGR) */
(198, 204, 51)

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 #33ccc6 · 10.59:1
Use #000000AAA at every size.
Aa
White text · 1.98:1
AA fail · AA large fail · AAA fail
Aa
Black text · 10.59:1 · recommended
AA pass · AA large pass · AAA pass
Reading the other direction: #33ccc6 as text scores 1.98:1 on white and 10.59:1 on black.

Accessibility — WCAG contrast

Aa
#33ccc6 on white: 1.98:1
AA ✗ fail · AA-large · AAA
Aa
#33ccc6 on black: 10.59:1
AA ✓ pass · AA-large · AAA
true color
protanopia · #C0C1C6
deuteranopia · #AAB1C7
tritanopia · #00D2CA

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #33ccc6 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.

#F4FBFB
#E9F7F6
#CCEFEE
#A5E9E6
#78DDD9
#4BD2CD
#33ccc6
#29A39E
#21837F
#1B5F5C
#113B3A
Base = 600Lightest = 50 · #F4FBFBDarkest = 950 · #113B3A
:root {
  --brand-50: #F4FBFB;
  --brand-100: #E9F7F6;
  --brand-200: #CCEFEE;
  --brand-300: #A5E9E6;
  --brand-400: #78DDD9;
  --brand-500: #4BD2CD;
  --brand-600: #33ccc6;
  --brand-700: #29A39E;
  --brand-800: #21837F;
  --brand-900: #1B5F5C;
  --brand-950: #113B3A;
  --brand: #33ccc6;
  --brand-ink: #000000;
}

Colors that work with #33ccc6

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#C0EDEB
Hairlines and dividers
Muted text#4B9B98
Captions on the surface
Accent#D12E5D
Second voice, not a rival
Dark variant#1A6663
Hover, pressed, headers
Light variant#EBFAF9
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 #33ccc6

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#CC3339
Analogous left#33CC79
Analogous right#3386CC
Split-complement 1#CC3386
Split-complement 2#CC7933
Triadic 1#C633CC
Triadic 2#CCC633
Tetradic#7933CC

RGB percentages

Red20.0%
Green80.0%
Blue77.6%

CMYK percentages

Cyan75.0%
Magenta0.0%
Yellow2.9%
Key (black)20.0%

Color previews

#33ccc6 text on a black background

contrast 10.59:1

Card sample

#33ccc6 text on a white background

contrast 1.98:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #33ccc6;
Background color
Panel with #33ccc6 background
background-color: #33ccc6;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #33ccc6;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(51, 204, 198, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 204, 198, 0.45);
Border & gradient
Gradient panel
border: 3px solid #33ccc6;
background: linear-gradient(135deg, #33ccc6, #336CCC);

Monochromatic scale

Palettes built from #33ccc6

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.

#33ccc6 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.

#33ccc6, answered

What color is #33ccc6?

#33ccc6 is a balanced vivid cyan, closest to Medium Turquoise (ΔE2000 1.7). It sits at 178° on the hue wheel with 60% saturation and 50% lightness, which reads as cool.

What is the RGB value of #33ccc6?

rgb(51, 204, 198) — 51 red, 204 green and 198 blue out of 255, or 20% / 80% / 77.6% by channel.

Is #33ccc6 a light or a dark color?

It is a mid-tone. Relative luminance is 0.4797 and perceived brightness is 68%, so black text on it reaches 10.59:1.

Should I use black or white text on #33ccc6?

Black. It scores 10.59:1 against #33ccc6, versus 1.98:1 for white — AAA at any size.

What is the complementary color of #33ccc6?

#CC3339 sits directly opposite on the wheel. Softer options are the split-complements #CC3386 and #CC7933, which give the same contrast with far less vibration.

What colors go well with #33ccc6?

For interface work: #F4FAFA as the surface, #C0EDEB for borders, #4B9B98 for secondary text, #D12E5D as an accent and #1A6663 for hover and pressed states. For a palette, the analogous pair #33CC79 and #3386CC stays calm, while #CC3339 is the loudest partner.

What is #33ccc6 in CMYK for printing?

cmyk(75%, 0%, 3%, 20%). This is a screen-to-ink approximation — ask your printer for a proof before committing to a run.

Is #33ccc6 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 #33CC8E; nudged cooler, #30A2CF.

Work with #33ccc6 in the Color Lab