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Interface warning calibration

Radix Red, calibrated—not assumed.

A source-verified twelve-step red scale, arranged as an interface instrument. Inspect exact roles and contrast before assigning error, rejection, danger, or destructive meaning in a real product.

Scale steps
01—12
Documented roles
12
Version
3.0.0
Radix Red calibration strip in source order 01 through 12
  1. 01#FFFCFC
  2. 02#FFF7F7
  3. 03#FEEBEC
  4. 04#FFDBDC
  5. 05#FFCDCE
  6. 06#FDBDBE
  7. 07#F4A9AA
  8. 08#EB8E90
  9. 09#E5484D
  10. 10#DC3E42
  11. 11#CE2C31
  12. 12#641723

Step 9 is the solid-background anchor in the scale—not an automatic accessibility or semantic guarantee.

Pinned provenance

The exact opaque light Red export, frozen at 3.0.0.

This reference contains only Red 1–12 from the opaque light sRGB export of @radix-ui/colors 3.0.0. Dark, alpha and P3 variants are outside its scope.

Hexees is an independent reference and is not affiliated with or endorsed by WorkOS or Radix.

Version
@radix-ui/colors 3.0.0
License
MIT

Measured role ledger

Twelve steps grouped by interface job.

Source order is preserved inside three functional ranges. Every row combines the documented role, exact sRGB value and calculated black-or-white text contrast.

Surfaces · 01—05

App background

red-1

Radix Red 1
RGB
rgb(255 252 252)
Black text
20.58:1
White text
1.02:1
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Subtle background

red-2

Radix Red 2
RGB
rgb(255 247 247)
Black text
19.90:1
White text
1.06:1
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Component background

red-3

Radix Red 3
RGB
rgb(254 235 236)
Black text
18.31:1
White text
1.15:1
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Hovered component

red-4

Radix Red 4
RGB
rgb(255 219 220)
Black text
16.42:1
White text
1.28:1
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Active component

red-5

Radix Red 5
RGB
rgb(255 205 206)
Black text
14.88:1
White text
1.41:1
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Borders · 06—08

Subtle border

red-6

Radix Red 6
RGB
rgb(253 189 190)
Black text
13.20:1
White text
1.59:1
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Interactive border

red-7

Radix Red 7
RGB
rgb(244 169 170)
Black text
11.10:1
White text
1.89:1
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Strong border or focus ring

red-8

Radix Red 8
RGB
rgb(235 142 144)
Black text
8.80:1
White text
2.39:1
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Solid and text · 09—12

Solid background

red-9

Radix Red 9
RGB
rgb(229 72 77)
Black text
5.37:1
White text
3.91:1
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Hovered solid background

red-10

Radix Red 10
RGB
rgb(220 62 66)
Black text
4.81:1
White text
4.37:1
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Low-contrast text

red-11

Radix Red 11
RGB
rgb(206 44 49)
Black text
4.03:1
White text
5.21:1
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High-contrast text

red-12

Radix Red 12
RGB
rgb(100 23 35)
Black text
1.69:1
White text
12.44:1
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Use with evidence

A warning color still needs context.

The collection is indexable only when all twelve values match the frozen manifest. Individual token pages remain noindex; Red 9 keeps its existing canonical identity.

A red hue alone cannot communicate an error or danger. Pair it with text or another cue, and test actual type, adjacent surfaces, borders, focus and interaction states.