Hinterland
#616c51
A yellow 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
#616c51
RGB
97, 108, 81
OKLCh
51.4% 0.043 125.9°
CIELAB (D50)
44.1, -8.3, 13.7
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 77.8; on black, Lc -23.9. 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 5.2 and 5.3 and 20.2 — no red cone.
Text on this colour
White text
5.57:1 — passes AA
Black text
3.77:1 — large text only
White text is the better of the two at5.57:1. That is enough for body text.
The same colour, with one cone missing
As you see it
#616c51
protanopia
#6b6b51 · ΔE00 5.2
deuteranopia
#696951 · ΔE00 5.3
tritanopia
#676774 · ΔE00 20.2
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isInland at ΔE00 1.444: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.
- InlandΔE00 1.444 · #606b54
- Sea FernΔE00 1.563 · #656d54
- Rosemary SprigΔE00 1.635 · #626a52
- Midnight GardenΔE00 1.838 · #637057
- MonsteraΔE00 2.172 · #5f674b
- French TarragonΔE00 2.284 · #667255
- Lichen MossΔE00 2.577 · #697056
- Olympia IvyΔE00 2.779 · #5a6647
- Royal OrchardΔE00 2.996 · #5f6d59
- Global GreenΔE00 3.07 · #696e51
- Jalapeño BouquetΔE00 3.166 · #576648
- Four Seasons OolongΔE00 3.284 · #6a7252
11 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.