Ecological
#677f70
A green that is nearly neutral — the hue shows only against a true grey. It is mid — the hardest range to put text on, either colour struggles.
Hex
#677f70
RGB
103, 127, 112
OKLCh
57.3% 0.036 157.6°
CIELAB (D50)
50.9, -11.5, 5.2
What is true of this colour, and of no other
- 2 other named colours sit within ΔE00 2 of it.
- It uses only 27% 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 70.0; on black, Lc -31.7. 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 10.4 and 10.9 and 26.9 — no red cone.
Text on this colour
White text
4.33:1 — large text only
Black text
4.85:1 — passes AA
Black text is the better of the two at4.85:1. That is enough for body text.
As text on white, it needs to change
#647c6d 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
#677f70
protanopia
#7d7d70 · ΔE00 10.4
deuteranopia
#797971 · ΔE00 10.9
tritanopia
#7474a8 · ΔE00 26.9
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isWild Beet Leaf at ΔE00 1.697: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.
- Wild Beet LeafΔE00 1.697 · #6b8372
- Cypress GardenΔE00 1.983 · #667c71
- Ranger GreenΔE00 2.129 · #6a8472
- Island PalmΔE00 2.248 · #6c7e71
- Stone Cypress GreenΔE00 2.373 · #5f7d6c
- Atlas Cedar GreenΔE00 2.387 · #667a6e
- Salal LeavesΔE00 2.792 · #637d74
- Cricket GreenΔE00 2.806 · #6a7b6b
- LornaΔE00 2.835 · #658477
- Hibiscus LeafΔE00 2.859 · #6e826e
- StockleafΔE00 2.886 · #647b72
- BrusselsΔE00 2.978 · #6c7c6d
12 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.