UI color system generator

Generate an accessible UI color system

Pick a sector and tone — or drop in your own brand color — and HexPalette derives the full role set (primary, secondary, accent, surfaces, text, and success/warning/error states) in OKLCH, with every intended text pairing checked for WCAG AA contrast. Not five swatches: a system you can ship.

Sector SaaS product Healthcare Finance Crypto & Web3 E-commerce Dashboard
Tone Professional Calm Bold Playful Luxury
Theme Light Dark Primary & Accent stay fixed; surfaces, text and states flip. The export ships both.
Brand color
Brand
#008D7E
Primary
Black text 5.1:1 AA
#B45774
Secondary
White text 4.6:1 AA
#657CE6
Accent
Black text 5.6:1 AA
Button states
#007B6D
Primary hover
4.1:1 AA Large label
#006C5E
Primary active
pressed state
#AFCFC9
Primary disabled
muted, non-interactive
#A04563
Secondary hover
6.0:1 AA label
Links & focus
#5569D2
Link
on background 4.7:1 AA
#4354BA
Link hover
on background 6.4:1 AA
#7089F4
Focus ring
ring 3.1:1 AA Large
#C7F7EE
Selected bg
Text 13.1:1 AAA
Surfaces
#F6FEFC
Background
base surface
#FCFFFF
Surface
Text 15.3:1 AAA
#C8D4D1
Border
subtle, non-text
Inputs
#F7FFFE
Input bg
Text 15.1:1 AAA
#B2BDBB
Input border
field edge
#7089F4
Input focus
matches focus ring
Text
#122925
Text
on background 15.0:1 AAA
#547A73
Muted text
on background 4.7:1 AA
Success
#00841D
Success
on background 4.7:1 AA
#FFFFFF
On Success
4.9:1 AA on Success
#C3F8C3
Success container
Text 4.8:1 AA
#307434
On Success container
on container 4.8:1 AA
Warning
#B45900
Warning
on background 4.7:1 AA
#FFFFFF
On Warning
4.8:1 AA on Warning
#FFD8B0
Warning container
Text 4.7:1 AA
#964C0E
On Warning container
on container 4.7:1 AA
Error
#E21620
Error
on background 4.7:1 AA
#FFFFFF
On Error
4.8:1 AA on Error
#FFD1C8
Error container
Text 4.6:1 AA
#9C443C
On Error container
on container 4.6:1 AA

In a real patient dashboard

Meridian Health Patients Schedule Records
Resting heart rate
72 bpm
Within normal range
Blood pressure 118 / 76
Follow-up visit in 3 days
Book visit Message Chart
✓ Appointment confirmed.
Stable Follow-up Critical

Every intended pairing here — text, buttons and states — meets WCAG AA by construction.

Export light + dark

:root {
  --primary: #008D7E;
  --on-primary: #000000;
  --primary-hover: #007B6D;
  --primary-active: #006C5E;
  --primary-disabled: #AFCFC9;
  --secondary: #B45774;
  --secondary-hover: #A04563;
  --accent: #657CE6;
  --link: #5569D2;
  --link-hover: #4354BA;
  --focus-ring: #7089F4;
  --selected-bg: #C7F7EE;
  --background: #F6FEFC;
  --surface: #FCFFFF;
  --border: #C8D4D1;
  --input-bg: #F7FFFE;
  --input-border: #B2BDBB;
  --input-focus: #7089F4;
  --text: #122925;
  --muted: #547A73;
  --success: #00841D;
  --warning: #B45900;
  --error: #E21620;
  --on-success: #FFFFFF;
  --success-container: #C3F8C3;
  --on-success-container: #307434;
  --on-warning: #FFFFFF;
  --warning-container: #FFD8B0;
  --on-warning-container: #964C0E;
  --on-error: #FFFFFF;
  --error-container: #FFD1C8;
  --on-error-container: #9C443C;
}

[data-theme="dark"] {
  --primary: #008D7E;
  --on-primary: #000000;
  --primary-hover: #2EA393;
  --primary-active: #43B2A2;
  --primary-disabled: #223E39;
  --secondary: #B45774;
  --secondary-hover: #CC6C89;
  --accent: #657CE6;
  --link: #99B5FF;
  --link-hover: #AFCCFF;
  --focus-ring: #99B5FF;
  --selected-bg: #002E28;
  --background: #070E0C;
  --surface: #111918;
  --border: #3E4B48;
  --input-bg: #0E1A17;
  --input-border: #515E5B;
  --input-focus: #99B5FF;
  --text: #E1F3EF;
  --muted: #98C1B9;
  --success: #54DD7D;
  --warning: #FFAE28;
  --error: #FF5E54;
  --on-success: #000000;
  --success-container: #063215;
  --on-success-container: #A2F5B4;
  --on-warning: #000000;
  --warning-container: #3D2200;
  --on-warning-container: #FFD281;
  --on-error: #000000;
  --error-container: #451915;
  --on-error-container: #FFBFB3;
}
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