Sea
#3c9992
A cyan that is muted. It is light — black text sits on it comfortably, white text does not.
Hex
#3c9992
RGB
60, 153, 146
OKLCh
62.6% 0.088 188.3°
CIELAB (D50)
57.6, -29.8, -5.0
What is true of this colour, and of no other
- 5 other named colours sit within ΔE00 2 of it.
- It uses 81% of the chroma sRGB can show at this lightness and hue.
- As text on white it measures APCA Lc 61.3; on black, Lc -40.4. 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 21.9 and 24.5 and 34.3 — no red cone.
Text on this colour
White text
3.41:1 — large text only
Black text
6.16:1 — passes AA
Black text is the better of the two at6.16:1. That is enough for body text.
As text on white, it needs to change
#21847d 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
#3c9992
protanopia
#929292 · ΔE00 21.9
deuteranopia
#868693 · ΔE00 24.5
tritanopia
#7777ff · ΔE00 34.3
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isDreamy Teal at ΔE00 1.073: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.
- Dreamy TealΔE00 1.073 · #3d9c96
- Azure TideΔE00 1.461 · #2b9890
- Latigo BayΔE00 1.561 · #3b9c98
- Majorca BlueΔE00 1.729 · #4a9c95
- LagoonΔE00 1.731 · #4b9b93
- Baltic GreenΔE00 2.243 · #3aa098
- Temple Guard BlueΔE00 2.399 · #339a8d
- Tourmaline TurquoiseΔE00 2.553 · #4f9e96
- ColumbiaΔE00 3.019 · #009792
- Sea KaleΔE00 3.031 · #30a299
- Caribbean TurquoiseΔE00 3.074 · #009d94
- Talismanic TealΔE00 3.1 · #159f9b
11 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.