Tadorna Teal
#7ad7ad
A green that is muted. It is very light — it works as a page background, not as text.
Hex
#7ad7ad
RGB
122, 215, 173
OKLCh
81.0% 0.108 163.2°
CIELAB (D50)
79.4, -36.2, 11.8
What is true of this colour, and of no other
- 2 other named colours sit within ΔE00 2 of it.
- It uses 62% of the chroma sRGB can show at this lightness and hue.
- As text on white it measures APCA Lc 31.1; on black, Lc -71.6. 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 19.5 and 20.3 and 37.5 — no red cone.
Text on this colour
White text
1.73:1 — fails AA
Black text
12.15:1 — passes AA
Black text is the better of the two at12.15:1. That is enough for body text.
As text on white, it needs to change
#218661 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
#7ad7ad
protanopia
#cfcfad · ΔE00 19.5
deuteranopia
#c2c2af · ΔE00 20.3
tritanopia
#b1b1ff · ΔE00 37.5
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isFresco Green at ΔE00 0.651: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.
- Fresco GreenΔE00 0.651 · #7bd9ad
- Crystal GemΔE00 1.706 · #79d0a7
- Pharaoh’s JadeΔE00 2.131 · #83d1a9
- Sprig of MintΔE00 2.806 · #8be0ba
- Āsmānī SkyΔE00 2.868 · #88ddbb
- BerylΔE00 2.881 · #71dcb8
- Sea TreasureΔE00 2.953 · #78d1b1
- Medium AquamarineΔE00 2.956 · #66ddaa
- Jovial JadeΔE00 3.261 · #88ddaa
- PeppyΔE00 3.301 · #72d7b7
- Aquamarine OceanΔE00 3.491 · #82cdad
- MaroonedΔE00 3.498 · #86cdab
10 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.