Viking

#4db1c8

A cyan that is muted. It is light — black text sits on it comfortably, white text does not.

Hex

#4db1c8

RGB

77, 177, 200

OKLCh

71.0% 0.098 215.4°

CIELAB (D50)

67.0, -25.1, -21.0

What is true of this colour, and of no other

  • 6 other named colours sit within ΔE00 2 of it.
  • It uses 78% of the chroma sRGB can show at this lightness and hue.
  • As text on white it measures APCA Lc 48.6; on black, Lc -53.3. The sign is the polarity, which the WCAG ratio discards.
  • Built into an eleven-step scale, 10 of the 10 adjacent pairs stay ΔE00 2 apart — see the ramp.
  • protanopia and deuteranopia and tritanopia shift it by ΔE00 23.9 and 23.5 and 24.9 — no red cone.

Text on this colour

White text

2.49:1 — fails AA

Black text

8.44:1 — passes AA

Black text is the better of the two at8.44:1. That is enough for body text.

As text on white, it needs to change

#068298 is the nearest colour of the same hue that passes AA on white, at 4.50:1. Only the lightness moved.

Try it against your own background

The same colour, with one cone missing

As you see it

#4db1c8

protanopia

#a9a9c8 · ΔE00 23.9

deuteranopia

#9c9cc9 · ΔE00 23.5

tritanopia

#8b8bff · ΔE00 24.9

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isBlue Bobbin at ΔE00 0.946: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.

  • Blue BobbinΔE00 0.946 · #52b4ca
  • FountainΔE00 1.393 · #56b5ca
  • Water BabyΔE00 1.575 · #5ab5cb
  • GondolierΔE00 1.596 · #5db1c5
  • Teal MoiréΔE00 1.693 · #50b7cf
  • Liquid BlueΔE00 1.769 · #55b7ce
  • River BlueΔE00 2.193 · #38afcd
  • Blue MistΔE00 2.228 · #5bacc3
  • Aqua VerdeΔE00 2.268 · #56b3c3
  • GlimpseΔE00 2.347 · #4fb9ce
  • AquariusΔE00 2.385 · #2db0ce
  • SantoriniΔE00 2.559 · #41b0d0

10 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.