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#65cbaf

a balanced, vivid cyan · cool · closest name: Medium Aqua Marine

RGB
101, 203, 175
HSL
164°, 50%, 60%
CMYK
50, 0, 14, 20
Luminance
0.4857

At a glance

Every number on this page in one read: what #65cbaf is made of, how bright it looks, and which way it leans.

Hex
#65cbaf
Hue
164°
cyan
Saturation
50%
vivid
Lightness
60%
balanced
Brightness
80%
HSV value
Perceived
69%
weighted brightness
Luminance
0.4857
WCAG relative
Temperature
Cool
81/100 cool
Color family
Cyan
Tone
Vivid
Best ink
Black
10.71:1
Closest name
Medium Aqua Marine
ΔE2000 2.1
Where it sits
Hue164° of 360°
Saturation50%
Lightness60%
Temperature
Warm ← → Cool81% 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#65cbaf
RGBrgb(101, 203, 175)
HSLhsl(164, 50%, 60%)
CMYKcmyk(50%, 0%, 14%, 20%)
LABlab(75.2 -36.5 4.9)
LCHlch(75.2 36.8 172.4)
OKLCHoklch(0.773 0.105 173.2)
Decimal6671279
Display P3color(display-p3 0.396 0.796 0.686)

Copy-ready code

/* CSS */
color: #65cbaf;
background-color: #65cbaf;
/* Tailwind (arbitrary) */
class="text-[#65cbaf] bg-[#65cbaf]"
/* SCSS */
$brand: #65cbaf;
/* SwiftUI */
Color(red: 0.396, green: 0.796, blue: 0.686)
/* Android */
Color.parseColor("#65cbaf")
/* Flutter */
Color(0xFF65CBAF)
/* Python / OpenCV (BGR) */
(175, 203, 101)

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 #65cbaf · 10.71:1
Use #000000AAA at every size.
Aa
White text · 1.96:1
AA fail · AA large fail · AAA fail
Aa
Black text · 10.71:1 · recommended
AA pass · AA large pass · AAA pass
Reading the other direction: #65cbaf as text scores 1.96:1 on white and 10.71:1 on black.

Accessibility — WCAG contrast

Aa
#65cbaf on white: 1.96:1
AA ✗ fail · AA-large · AAA
Aa
#65cbaf on black: 10.71:1
AA ✓ pass · AA-large · AAA
true color
protanopia · #C5C0AE
deuteranopia · #B5B4B1
tritanopia · #39CDC3

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #65cbaf 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.

#F4FAF9
#EAF6F2
#CFECE4
#ABE3D3
#81D5BE
#65cbaf
#3EB796
#34987D
#297A64
#21594A
#15382E
Base = 500Lightest = 50 · #F4FAF9Darkest = 950 · #15382E
:root {
  --brand-50: #F4FAF9;
  --brand-100: #EAF6F2;
  --brand-200: #CFECE4;
  --brand-300: #ABE3D3;
  --brand-400: #81D5BE;
  --brand-500: #65cbaf;
  --brand-600: #3EB796;
  --brand-700: #34987D;
  --brand-800: #297A64;
  --brand-900: #21594A;
  --brand-950: #15382E;
  --brand: #65cbaf;
  --brand-ink: #000000;
}

Colors that work with #65cbaf

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#C2EADF
Hairlines and dividers
Muted text#4B9B85
Captions on the surface
Accent#CF619B
Second voice, not a rival
Dark variant#205F4E
Hover, pressed, headers
Light variant#ECF9F5
Selected rows, tints
Dark surface#142420
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 #65cbaf

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#CB6581
Analogous left#65CB7C
Analogous right#65B4CB
Split-complement 1#CB65B4
Split-complement 2#CB7C65
Triadic 1#AF65CB
Triadic 2#CBAF65
Tetradic#7C65CB

RGB percentages

Red39.6%
Green79.6%
Blue68.6%

CMYK percentages

Cyan50.2%
Magenta0.0%
Yellow13.8%
Key (black)20.4%

Color previews

#65cbaf text on a black background

contrast 10.71:1

Card sample

#65cbaf text on a white background

contrast 1.96:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #65cbaf;
Background color
Panel with #65cbaf background
background-color: #65cbaf;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #65cbaf;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(101, 203, 175, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(101, 203, 175, 0.45);
Border & gradient
Gradient panel
border: 3px solid #65cbaf;
background: linear-gradient(135deg, #65cbaf, #65A3CB);

Monochromatic scale

Palettes built from #65cbaf

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.

#65cbaf 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.

#65cbaf, answered

What color is #65cbaf?

#65cbaf is a balanced vivid cyan, closest to Medium Aqua Marine (ΔE2000 2.1). It sits at 164° on the hue wheel with 50% saturation and 60% lightness, which reads as cool.

What is the RGB value of #65cbaf?

rgb(101, 203, 175) — 101 red, 203 green and 175 blue out of 255, or 39.6% / 79.6% / 68.6% by channel.

Is #65cbaf a light or a dark color?

It is a mid-tone. Relative luminance is 0.4857 and perceived brightness is 69%, so black text on it reaches 10.71:1.

Should I use black or white text on #65cbaf?

Black. It scores 10.71:1 against #65cbaf, versus 1.96:1 for white — AAA at any size.

What is the complementary color of #65cbaf?

#CB6581 sits directly opposite on the wheel. Softer options are the split-complements #CB65B4 and #CB7C65, which give the same contrast with far less vibration.

What colors go well with #65cbaf?

For interface work: #F4FAF9 as the surface, #C2EADF for borders, #4B9B85 for secondary text, #CF619B as an accent and #205F4E for hover and pressed states. For a palette, the analogous pair #65CB7C and #65B4CB stays calm, while #CB6581 is the loudest partner.

What is #65cbaf in CMYK for printing?

cmyk(50%, 0%, 14%, 20%). This is a screen-to-ink approximation — ask your printer for a proof before committing to a run.

Is #65cbaf warm or cool?

Cool — it scores 81 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #65CB8A; nudged cooler, #63C3CD.

Work with #65cbaf in the Color Lab