Equanimity
#83a9b3
A cyan that is nearly neutral — the hue shows only against a true grey. It is light — black text sits on it comfortably, white text does not.
Hex
#83a9b3
RGB
131, 169, 179
OKLCh
71.0% 0.044 215.6°
CIELAB (D50)
66.7, -11.6, -9.6
What is true of this colour, and of no other
- 5 other named colours sit within ΔE00 2 of it.
- It uses only 35% of the chroma available at this lightness and hue — there is a far more vivid version of this colour inside sRGB.
- As text on white it measures APCA Lc 49.6; on black, Lc -52.3. 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 15.1 and 16.2 and 18.5 — no red cone.
Text on this colour
White text
2.53:1 — fails AA
Black text
8.29:1 — passes AA
Black text is the better of the two at8.29:1. That is enough for body text.
As text on white, it needs to change
#587d86 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
#83a9b3
protanopia
#a5a5b3 · ΔE00 15.1
deuteranopia
#9f9fb4 · ΔE00 16.2
tritanopia
#9898fb · ΔE00 18.5
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isAquitaine at ΔE00 1.07: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.
- AquitaineΔE00 1.07 · #88abb4
- Stormy WatersΔE00 1.23 · #84a9b0
- Sebastian InletΔE00 1.671 · #84aeba
- Summerhouse BlueΔE00 1.705 · #84aab8
- Winter TwilightΔE00 1.907 · #80a9b8
- Open SeasΔE00 2.158 · #83afbc
- Inner SanctumΔE00 2.543 · #78a6b5
- Stone SilverΔE00 2.57 · #8ba8ae
- SeascapeΔE00 2.668 · #77a2ad
- ZigguratΔE00 2.726 · #81a6aa
- Bon VoyageΔE00 2.923 · #8baeb2
- Thistleblossom Soft BlueΔE00 2.94 · #8ab3bf
10 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.