"呈现悦目色调" can be translated into English as "display appealing/pleasing hues" or "exhibit eye-catching colors".
Both expressions convey the idea of showing visually attractive or pleasing colors. You can choose based on the specific context or the tone you want to convey. For example:
The painting displays appealing hues that soothe the viewer's eyes.
The garden exhibits eye-catching colors in every season.