Also referred to as a "Yellow" or "White"

From Left To Right- (1-2) Light Green, Dilute (3-4) Sky, Opaline, Dilute

From Left To Right- (1) Dark Green, Dilute (2) Cobalt, Opaline, Dilute

From Left To Right- (1) Mauve, Dilute

From Left To Right- (1-2) Grey Green, Opaline, Dilute (3-4) Grey, Dilute

Body Color: Dilute is a diluting mutation. A Dilute budgie will have an even shade of up to 50% diluted body color (body color will vary depending on whether they are green or blue, and if they have any dark factors) on their chest, breast and rump where it will be the darkest.

Head Barring Wing And Throat Spot Markings: Pale grey with a yellow or white edge (depending on body color) with pale grey throat spots.

Cheek Patches: Pale violet to pale blue

Main Tail Feathers: Pale yellow or grey

Feet And Leg Color: Pink to grey, some will be a mix

Eye Color And Iris At Maturity: Black eyes with white iris.

Mature Adult Cere Color: Medium to deep blue in males,. Light blue/white to tan in females depending on if they are in breeding
condition.

Cheek Patches And Main Tail: Depth of color will vary with the dark factors a dilute budgie has, as you can see in the above link to tail and cheek patch photos.

Body Color Suffusion: The body color should not be on the head or wing markings of a well marked dilute, with the exception being if they are also opaline.