Instantly illuminates at full brightness. A half-second delay is possible, as with all cheaper LEDs. It's clearly written that it's 2700K, which means it's a yellowish/warm light. It's not the brightest lamp, but it clearly says 750 lumens. So for $8 it is
Linkind Dimmable A19 LED Light Bulbs, 60W Equivalent, E26 Base, 5000K Daylight, 9.5W 840 Lumens 120V, UL Listed FCC Certified, Pack Of 12
12 Review
20 Pack 5CCT 4FT LED T8 Ballast Bypass Type B Light Tube, UL/FCC Certified - 18W, 2300Lm, 3000K-6500K Selectable
21 Review
Bulbrite A19 Solana WiFi Connected LED Alexa Smart Light Bulb, Single-A19, Tunable 2200K-6500K Color Temperature, Frost Finish
28 Review
Set Of 4 Geeni Prisma Wi-Fi Multicolor LED Light Bulbs, 1050 Lumens, 2700K, Dimmable, No Hub Required, Compatible With Alexa And Google Assistant, 75-Watt Equivalent
41 Review
π‘ Philips 230425 Energy Saver Compact Fluorescent Non-Integrated 26W PL-C Soft White 4-Pin Base Bulb - Discover Efficient Lighting Solutions
5 Review
Philips Alto PL-C Energy Saving Compact Fluorescent π‘ Light Bulb: 1800-Lumen, 3500-Kelvin, 26-Watt, 4-Pin G24-3 Base, Daylight
6 Review
π‘ Compact Fluorescent Light Bulb T2 Spiral CFL - 4100K Cool White, 13W (60W Equivalent) - Pack of 2
6 Review
π F10T5-3000K Warm-White 16.5 in. - 10W T5 Fluorescent Tube, Warm White Color
8 Review