Fracture Toughness

Created at 10/25/2026 19:50

The palette consists of Semi dark, Light colors. Accent colors Brittle #6b5c65 and Very Tough #4d8490. Palette has Neutral, Cool colors temperature.

By lightness, this palette runs from #6B5C65 (darkest) to #669478 (lightest). The lightness range is relatively narrow.

Overall saturation feels mostly muted (lower chroma) — 83% of colors are muted.

The hues stay in one region of the color wheel, spanning about 82°.

Overall temperature among swatches leans cool (3 of 6).

HEX codes (sorted): #4D8490, #53618B, #669478, #6B5C65, #756E72, #7D8B72

Palette Fracture Toughness combines 6 color codes:

HEX: #6b5c65, RGB: (107, 92, 101); HEX: #756e72, RGB: (117, 110, 114); HEX: #7d8b72, RGB: (125, 139, 114)

HEX: #669478, RGB: (102, 148, 120); HEX: #4d8490, RGB: (77, 132, 144); HEX: #53618b, RGB: (83, 97, 139)

Simplified version of palette colors

Shade of Dim Gray, Tint of Dim Gray, Tint of Grey, Tint of Sea Green, Tint of Dark Cyan, Shade of Slate Blue

Color scheme was created by colourlock

Color codes in palette

Fracture Toughness color codes HEX, RGB information in table

Color	HEX	RGB	Name	Alternative name
#6b5c65	#6b5c65	RGB(107, 92, 101)	Brittle	—
#756e72	#756e72	RGB(117, 110, 114)	Low Toughness	—
#7d8b72	#7d8b72	RGB(125, 139, 114)	Moderate	—
#669478	#669478	RGB(102, 148, 120)	Tough	—
#4d8490	#4d8490	RGB(77, 132, 144)	Very Tough	—
#53618b	#53618b	RGB(83, 97, 139)	Extreme	—

15 color pairs have low contrast and need improvement which may impact readability.