Terrestrial
#276757
A cyan 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
#276757
RGB
39, 103, 87
OKLCh
46.8% 0.071 173.9°
CIELAB (D50)
39.2, -24.6, 2.6
What is true of this colour, and of no other
- 4 other named colours sit within ΔE00 2 of it.
- It uses 79% of the chroma sRGB can show at this lightness and hue.
- As text on white it measures APCA Lc 82.6; on black, Lc -19.3. 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 18.6 and 19.6 and 34.4 — no red cone.
Text on this colour
White text
6.64:1 — passes AA
Black text
3.16:1 — large text only
White text is the better of the two at6.64:1. That is enough for body text.
The same colour, with one cone missing
As you see it
#276757
protanopia
#626257 · ΔE00 18.6
deuteranopia
#5a5a58 · ΔE00 19.6
tritanopia
#4f4fb2 · ΔE00 34.4
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isEmbracing at ΔE00 1.15: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.
- EmbracingΔE00 1.15 · #246453
- Forest RainΔE00 1.198 · #216957
- Eucalyptus GreenΔE00 1.655 · #1e675a
- EdenΔE00 1.969 · #266255
- Ore Mountains GreenΔE00 2.003 · #2b6551
- Celtic GreenΔE00 2.073 · #1f6954
- Humboldt RedwoodsΔE00 2.17 · #1f6357
- Teal DramaΔE00 2.453 · #24604f
- Evening SeaΔE00 2.488 · #26604f
- Plantain GreenΔE00 2.626 · #356554
- PhilodendronΔE00 2.651 · #116356
- Bella VistaΔE00 2.684 · #0b695b
11 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.