apollo kids + jason’s eyes being the shifting colors of the sunrise and sunset as they happen, changing with the sky like their own miniature heavens.
also. jason having stars in his eyes at night too. forgot to add that. if there’s high light pollution, you can barely manage to find a couple stars. if there’s no light pollution, his eyes will literally have the milky way in them to match the sky above him.
demeter kids’ eyes usually being the green of the grass at their feet ringed with the brown of the earth. the green in their gaze constantly shifting subtly like leaves in the wind. as they use their powers over plants like flowers, pinks and yellows will bloom in their eyes within the green. the green in their eyes shifting to yellows, oranges, reds, and browns as the seasons shift to fall to match the trees. their eyes growing yellow and lifeless as the seasons change to winter and settling into an icy white color until spring comes back around and green begins to bloom in their gaze again.
all hunters of artemis having reflective eyes at night. depending on the phase of the moon. if you catch them under a full moon, the reflective light of their eyes is full and bright as well. if you catch them under a new moon, their eyes are completely dark and blending in with the shadows.
hephaestus kids’ eyes having lines of a red hot glow like embers of a fire and that flow like lava constantly.
aphrodite kids’ eyes being an exact replica of their mortal parents’ eyes because those are the eyes aphrodite fell for when she had them. their pupils are shaped like hearts. when they get close to the coast, their eyes will become ringed along the outer edge to match the ocean, similar to percy’s but his matches the water while theirs matches the shore where the water meets the sand and the waves crash to create the sea foam. or in fewer words, their irises being ringed with the sea foam of the nearby coast and constantly shifting a little with the waves so their eyes will grow and shrink faintly as the water crashes and recedes from the shore.
dionysus kids having eyes that have a more physical effect on you as the observer. you look into their eyes and you start to get lightheaded and dizzy. the longer you look, the more drunk you feel.
iris kids have the kaleidoscope eyes. with crazy unnatural colors. neon yellow, lavender, hot pink, etc. they look like a spinning color wheel the more excited or energetic they get.
hecate kids’ eyes pulsing with a glowing green light that occasionally forms little runes for spells like actual magic is swimming in their gaze. their eyes also reflective the stars at night. and having the reflective properties the hunters of artemis have at night.