Cold Blue
#88dddd
A cyan that is muted. It is very light — it works as a page background, not as text.
Hex
#88dddd
RGB
136, 221, 221
OKLCh
84.4% 0.083 195.7°
CIELAB (D50)
82.8, -26.9, -8.6
What is true of this colour, and of no other
- 7 other named colours sit within ΔE00 2 of it.
- It uses 57% of the chroma sRGB can show at this lightness and hue.
- As text on white it measures APCA Lc 25.7; on black, Lc -77.4. 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 22.6 and 24.2 and 26.7 — no red cone.
Text on this colour
White text
1.56:1 — fails AA
Black text
13.43:1 — passes AA
Black text is the better of the two at13.43:1. That is enough for body text.
As text on white, it needs to change
#298384 is the nearest colour of the same hue that passes AA on white, at 4.50:1. Only the lightness moved.
The same colour, with one cone missing
As you see it
#88dddd
protanopia
#d6d6dd · ΔE00 22.6
deuteranopia
#c9c9de · ΔE00 24.2
tritanopia
#b9b9ff · ΔE00 26.7
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isIsland Oasis at ΔE00 1.037: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.
- Island OasisΔE00 1.037 · #88d9d8
- Paradisiacal GetawayΔE00 1.342 · #8ddee1
- Limpet ShellΔE00 1.565 · #90dcd9
- Sea WaveΔE00 1.827 · #83d6d4
- Aqua ZingΔE00 1.863 · #7cd8d6
- Aqua FiestaΔE00 1.904 · #96e2e1
- Andes SkyΔE00 1.988 · #78d8d9
- Mountain Lake BlueΔE00 2.125 · #85d4d4
- Aruba BlueΔE00 2.325 · #7dd4d6
- BelizeΔE00 2.398 · #7fd3d3
- Water WonderΔE00 2.672 · #80d4d0
- Pale PastelΔE00 2.675 · #9adedb
10 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.