Surgical
#59a4c1
A cyan that is muted. It is light — black text sits on it comfortably, white text does not.
Hex
#59a4c1
RGB
89, 164, 193
OKLCh
68.2% 0.086 225.4°
CIELAB (D50)
63.4, -18.1, -22.6
What is true of this colour, and of no other
- 5 other named colours sit within ΔE00 2 of it.
- It uses 66% of the chroma sRGB can show at this lightness and hue.
- As text on white it measures APCA Lc 53.7; on black, Lc -48.1. 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 21.0 and 20.3 and 19.4 — no red cone.
Text on this colour
White text
2.80:1 — fails AA
Black text
7.51:1 — passes AA
Black text is the better of the two at7.51:1. That is enough for body text.
As text on white, it needs to change
#327f9b 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
#59a4c1
protanopia
#9e9ec1 · ΔE00 21.0
deuteranopia
#9393c2 · ΔE00 20.3
tritanopia
#8686ff · ΔE00 19.4
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isPottery Blue at ΔE00 1.111: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.
- Pottery BlueΔE00 1.111 · #54a6c2
- DupainΔE00 1.236 · #58a0bc
- BrigΔE00 1.37 · #4fa1c0
- Estero SkyΔE00 1.813 · #54a9ca
- Rushing RapidsΔE00 1.988 · #549eb9
- Oasis SpringΔE00 2.05 · #47a3c6
- InuitΔE00 2.391 · #55a0b7
- Frozen WaveΔE00 2.447 · #56acca
- Scott BaseΔE00 2.599 · #66a3c3
- Air BlueΔE00 2.698 · #69a3c1
- Pacific PalisadeΔE00 2.757 · #69a4b9
- Dolphin DazeΔE00 2.81 · #659fb5
11 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.