Yucca
#75978f
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
#75978f
RGB
117, 151, 143
OKLCh
64.8% 0.040 179.0°
CIELAB (D50)
59.7, -13.6, 0.1
What is true of this colour, and of no other
- 4 other named colours sit within ΔE00 2 of it.
- It uses only 33% 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 59.1; on black, Lc -42.6. 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 13.4 and 14.3 and 26.9 — no red cone.
Text on this colour
White text
3.19:1 — large text only
Black text
6.58:1 — passes AA
Black text is the better of the two at6.58:1. That is enough for body text.
As text on white, it needs to change
#5c7d76 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
#75978f
protanopia
#94948f · ΔE00 13.4
deuteranopia
#8e8e90 · ΔE00 14.3
tritanopia
#8888d6 · ΔE00 26.9
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isCopper Roof Green at ΔE00 1.658: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.
- Copper Roof GreenΔE00 1.658 · #6f978e
- AvalonΔE00 1.924 · #799b96
- Lunar TideΔE00 1.932 · #6f968b
- Pale VerdigrisΔE00 1.982 · #6f9892
- Tile GreenΔE00 2.109 · #7a958e
- Secluded GardenΔE00 2.109 · #7b9893
- Brimming OverΔE00 2.127 · #7a958c
- Garden FountainΔE00 2.263 · #729588
- NephriteΔE00 2.28 · #6d9288
- Pool TideΔE00 2.383 · #70928e
- LongmeadowΔE00 2.399 · #77928a
- VizcayaΔE00 2.468 · #7b9e98
12 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.