Mamba
#766d7c
A neutral that has no useful hue — it reads as a grey. It is mid — the hardest range to put text on, either colour struggles.
Hex
#766d7c
RGB
118, 109, 124
OKLCh
54.8% 0.025 312.0°
CIELAB (D50)
47.3, 5.9, -7.0
What is true of this colour, and of no other
- 2 other named colours sit within ΔE00 2 of it.
- It uses only 9% 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 74.2; on black, Lc -27.5. 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.
- tritanopia shifts it by ΔE00 18.7 — no blue cone.
Text on this colour
White text
4.94:1 — passes AA
Black text
4.25:1 — large text only
White text is the better of the two at4.94:1. That is enough for body text.
The same colour, with one cone missing
As you see it
#766d7c
protanopia
#6e6e7c · ΔE00 4.7
deuteranopia
#70707c · ΔE00 4.9
tritanopia
#727260 · ΔE00 18.7
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isComposer’s Magic at ΔE00 1.555: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.
- Composer’s MagicΔE00 1.555 · #7a6e7e
- RitualΔE00 1.973 · #767081
- Peruvian VioletΔE00 2.384 · #7b7284
- Plum ShadowΔE00 2.409 · #7c707c
- PurposefulΔE00 2.477 · #776c76
- RumΔE00 2.708 · #716675
- Dull MauveΔE00 2.934 · #7d7485
- Pearl BlackberryΔE00 3.026 · #76727f
- PaisleyΔE00 3.037 · #726f7e
- Lavender EleganceΔE00 3.092 · #786c75
- Plush VelvetΔE00 3.472 · #7e737d
- Exclusive PlumΔE00 3.673 · #736f78
11 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.