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
#598B98
Secondary
Black text 5.6:1 AA
#B3726F
Accent
Black text 5.6:1 AA
Button states
#2EA393
Primary hover
6.8:1 AA label
#43B2A2
Primary active
pressed state
#223E39
Primary disabled
muted, non-interactive
#6EA0AE
Secondary hover
7.3:1 AAA label
Links & focus
#F8A4A0
Link
on background 9.5:1 AAA
#FFBAB6
Link hover
on background 11.4:1 AAA
#FF9E9A
Focus ring
ring 9.3:1 AAA
#002E28
Selected bg
Text 12.9:1 AAA
Surfaces
#041714
Background
base surface
#0A221E
Surface
Text 14.5:1 AAA
#1E3531
Border
subtle, non-text
Inputs
#0C1A18
Input bg
Text 15.5:1 AAA
#304743
Input border
field edge
#FF9E9A
Input focus
matches focus ring
Text
#E1F3EF
Text
on background 16.1:1 AAA
#86AEA7
Muted text
on background 7.6:1 AAA
Success
#81D493
Success
on background 10.3:1 AAA
#000000
On Success
11.8:1 AAA on Success
#073215
Success container
Text 11.0:1 AAA
#A3F5B4
On Success container
on container 11.0:1 AAA
Warning
#F4B76E
Warning
on background 10.4:1 AAA
#000000
On Warning
11.8:1 AAA on Warning
#3E2100
Warning container
Text 10.3:1 AAA
#FFD083
On Warning container
on container 10.3:1 AAA
Error
#F37C71
Error
on background 7.0:1 AA
#000000
On Error
7.9:1 AAA on Error
#451915
Error container
Text 9.5:1 AAA
#FFBFB3
On Error container
on container 9.5:1 AAA

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: #598B98;
  --secondary-hover: #477986;
  --accent: #B3726F;
  --link: #A75B59;
  --link-hover: #904746;
  --focus-ring: #D27270;
  --selected-bg: #C7F7EE;
  --background: #E8FCF8;
  --surface: #F4FFFD;
  --border: #D3EFE9;
  --input-bg: #F7FFFE;
  --input-border: #BCD8D2;
  --input-focus: #D27270;
  --text: #122925;
  --muted: #4E756E;
  --success: #1B7D3D;
  --warning: #A16500;
  --error: #BF473F;
  --on-success: #FFFFFF;
  --success-container: #BDFAC8;
  --on-success-container: #21763C;
  --on-warning: #FFFFFF;
  --warning-container: #FFDEA6;
  --on-warning-container: #8E5400;
  --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: #598B98;
  --secondary-hover: #6EA0AE;
  --accent: #B3726F;
  --link: #F8A4A0;
  --link-hover: #FFBAB6;
  --focus-ring: #FF9E9A;
  --selected-bg: #002E28;
  --background: #041714;
  --surface: #0A221E;
  --border: #1E3531;
  --input-bg: #0C1A18;
  --input-border: #304743;
  --input-focus: #FF9E9A;
  --text: #E1F3EF;
  --muted: #86AEA7;
  --success: #81D493;
  --warning: #F4B76E;
  --error: #F37C71;
  --on-success: #000000;
  --success-container: #073215;
  --on-success-container: #A3F5B4;
  --on-warning: #000000;
  --warning-container: #3E2100;
  --on-warning-container: #FFD083;
  --on-error: #000000;
  --error-container: #451915;
  --on-error-container: #FFBFB3;
}
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