Create a clean educational FACS Action Unit expression grid featuring a realistic adult female character.

Use minimal studio lighting, neutral white background, high readability, professional facial anatomy reference sheet aesthetic, realistic skin texture, consistent identity across all panels.

COLOR SYSTEM:
Use soft pastel color coding for categories while keeping the overall sheet minimal and elegant.

Forehead & Brow AUs:
soft pastel blue

Eye & Eyelid AUs:
soft pastel lavender

Nose & Cheek AUs:
soft pastel peach

Lip & Mouth AUs:
soft pastel pink

Head Movement AUs:
soft pastel mint

Eye Direction AUs:
soft pastel cyan

Special / Misc AUs:
soft pastel beige

Apply the color subtly as:
- panel background tint
- thin borders
- small label accents

Keep colors soft, muted and professional.

Include these Action Units:

GROUPS:

FOREHEAD & BROW
AU1 Inner Brow Raiser
AU2 Outer Brow Raiser
AU4 Brow Lowerer
AU71 Brow Furrow
AU72 Brow Bulge

EYE & EYELID
AU5 Upper Lid Raiser
AU7 Lid Tightener
AU41 Lid Droop
AU42 Slit Eyes
AU43 Eyes Closed
AU44 Squint
AU45 Blink
AU46 Wink

NOSE & CHEEK
AU6 Cheek Raiser
AU9 Nose Wrinkler
AU11 Nasolabial Deepener
AU82 Nostril Dilator
AU83 Nostril Compressor

LIP & MOUTH
AU10 Upper Lip Raiser
AU12 Lip Corner Puller
AU13 Sharp Lip Puller
AU14 Dimpler
AU15 Lip Corner Depressor
AU16 Lower Lip Depressor
AU17 Chin Raiser
AU18 Lip Pucker
AU20 Lip Stretcher
AU22 Lip Funneler
AU23 Lip Tightener
AU24 Lip Pressor
AU25 Lips Part
AU26 Jaw Drop
AU27 Mouth Stretch
AU28 Lip Suck
AU84 Tongue Up
AU85 Tongue Out

HEAD MOVEMENT
AU51 Head Turn Left
AU52 Head Turn Right
AU53 Head Up
AU54 Head Down
AU55 Head Tilt Left
AU56 Head Tilt Right
AU57 Head Forward
AU58 Head Back

EYE DIRECTION
AU61 Eyes Turn Left
AU62 Eyes Turn Right
AU63 Eyes Up
AU64 Eyes Down

SPECIAL / MISC
AU81 Chewing