background · sample · Opus 5.5 · trial 075 of 100

the answer

#f5f7fa

model	Opus 5.5 claude-opus-5-5
effort	low
profile	room
cli version	2.1.283
started	2026-10-04 05:01:29 UTC
wall	2.6s
cost	$0.0028
turns	1
output tokens	88
thinking blocks	0
tool / bash / edit calls	0 / 0 / 0
denials	0
answer form	framed
rule met	yes
session	1a634ad8-8f54-4a93-8b16-9968cc4a24ab

What the model said

`#F5F7FA` — a soft, cool off-white. It's easy on the eyes, gives dark text strong contrast, and works well behind both neutral and colorful UI elements.

If you want a dark background instead, use `#0F172A` (deep slate navy).