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
#765BC6
Primary
White text 5.1:1 AA
#C04500
Secondary
White text 5.1:1 AA
#00AB77
Accent
Black text 7.1:1 AAA
Button states
#8A70DE
Primary hover
3.9:1 AA Large label
#9980EF
Primary active
pressed state
#383549
Primary disabled
muted, non-interactive
#D85C26
Secondary hover
3.8:1 AA Large label
Links & focus
#54DAA3
Link
on background 10.8:1 AAA
#6EF1B9
Link hover
on background 13.5:1 AAA
#54DAA3
Focus ring
ring 10.8:1 AAA
#27223D
Selected bg
Text 13.0:1 AAA
Surfaces
#110F1A
Background
base surface
#1B1927
Surface
Text 14.8:1 AAA
#3D3A4C
Border
subtle, non-text
Inputs
#171620
Input bg
Text 15.4:1 AAA
#504D5F
Input border
field edge
#54DAA3
Input focus
matches focus ring
Text
#EEECFB
Text
on background 16.3:1 AAA
#B1ACCC
Muted text
on background 8.7:1 AAA
Success
#5BDC80
Success
on background 10.8:1 AAA
#000000
On Success
12.0:1 AAA on Success
#063215
Success container
Text 11.0:1 AAA
#A2F5B4
On Success container
on container 11.0:1 AAA
Warning
#FFAF36
Warning
on background 10.3:1 AAA
#000000
On Warning
11.4:1 AAA on Warning
#3D2200
Warning container
Text 10.3:1 AAA
#FFD181
On Warning container
on container 10.3:1 AAA
Error
#FF6359
Error
on background 6.5:1 AA
#000000
On Error
7.2:1 AAA on Error
#451915
Error container
Text 9.5:1 AAA
#FFBFB3
On Error container
on container 9.5:1 AAA

In a real trading app

ChainDesk Markets Wallet Swap
Portfolio value
$24,918.60
▲ 5.7% 24h
BTC +3.4%
ETH −1.8%
Connect wallet Swap History
✓ Swap confirmed on-chain.
Confirmed Pending Failed

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

Export light + dark

:root {
  --primary: #765BC6;
  --on-primary: #FFFFFF;
  --primary-hover: #6549B2;
  --primary-active: #583AA2;
  --primary-disabled: #C7C4DD;
  --secondary: #C04500;
  --secondary-hover: #AB3100;
  --accent: #00AB77;
  --link: #008150;
  --link-hover: #006C3D;
  --focus-ring: #00A06D;
  --selected-bg: #EBE6FF;
  --background: #F8F6FF;
  --surface: #FEFDFF;
  --border: #DBD8ED;
  --input-bg: #FDFCFF;
  --input-border: #C4C1D6;
  --input-focus: #00A06D;
  --text: #242131;
  --muted: #6F6A87;
  --success: #008323;
  --warning: #AB5500;
  --error: #D7171F;
  --on-success: #FFFFFF;
  --success-container: #C2F9C3;
  --on-success-container: #2E7535;
  --on-warning: #FFFFFF;
  --warning-container: #FFD8AF;
  --on-warning-container: #964D0D;
  --on-error: #FFFFFF;
  --error-container: #FFD1C8;
  --on-error-container: #9C443C;
}

[data-theme="dark"] {
  --primary: #765BC6;
  --on-primary: #FFFFFF;
  --primary-hover: #8A70DE;
  --primary-active: #9980EF;
  --primary-disabled: #383549;
  --secondary: #C04500;
  --secondary-hover: #D85C26;
  --accent: #00AB77;
  --link: #54DAA3;
  --link-hover: #6EF1B9;
  --focus-ring: #54DAA3;
  --selected-bg: #27223D;
  --background: #110F1A;
  --surface: #1B1927;
  --border: #3D3A4C;
  --input-bg: #171620;
  --input-border: #504D5F;
  --input-focus: #54DAA3;
  --text: #EEECFB;
  --muted: #B1ACCC;
  --success: #5BDC80;
  --warning: #FFAF36;
  --error: #FF6359;
  --on-success: #000000;
  --success-container: #063215;
  --on-success-container: #A2F5B4;
  --on-warning: #000000;
  --warning-container: #3D2200;
  --on-warning-container: #FFD181;
  --on-error: #000000;
  --error-container: #451915;
  --on-error-container: #FFBFB3;
}
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