Kale
#648251
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
#648251
RGB
100, 130, 81
OKLCh
57.0% 0.080 134.0°
CIELAB (D50)
51.1, -18.3, 22.9
What is true of this colour, and of no other
- 3 other named colours sit within ΔE00 2 of it.
- It uses 49% of the chroma sRGB can show at this lightness and hue.
- As text on white it measures APCA Lc 69.9; on black, Lc -31.8. 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 9.5 and 9.6 and 37.0 — 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
#617f4e 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
#648251
protanopia
#7f7f51 · ΔE00 9.5
deuteranopia
#7a7a52 · ΔE00 9.6
tritanopia
#7474a4 · ΔE00 37.0
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isGlade Green at ΔE00 1.292: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.
- Glade GreenΔE00 1.292 · #5f8151
- Green KnollΔE00 1.827 · #647f4a
- Talipot PalmΔE00 1.917 · #648149
- Happy CamperΔE00 2.004 · #6b8350
- Tee OffΔE00 2.076 · #68855a
- Rambling GreenΔE00 2.347 · #5a804f
- ThicketΔE00 2.349 · #69865b
- Woodland NymphΔE00 2.46 · #69804b
- Grassy FieldΔE00 2.592 · #5c7d47
- Beyond the PinesΔE00 2.598 · #688049
- Mixedwood LeafΔE00 2.629 · #6e8659
- HomoeopathicΔE00 2.643 · #5f7c47
11 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.