The antonyms for the phrase "make dark" are numerous and include words such as brighten, illuminate, lighten, lighten up, and clarify. When we talk about "making something dark," we usually mean to reduce visibility, obscure details, or create a mood of gloominess. Conversely, antonyms of this phrase will often refer to increasing visibility, highlighting details, or creating a sense of cheerfulness. For example, you might brighten up a room by opening the curtains and letting in natural light, or you could illuminate a painting with a spotlight to draw attention to its details. Ultimately, antonyms for "make dark" offer an opportunity to counteract darkness and achieve a brighter, more positive result.