#f39c12
#f39c12 is rgb(243, 156, 18), or hsl(37, 90%, 51%). The nearest reference Tailwind v4 token is amber-500 (#fe9a00), not an exact match.
Conversions
WCAG contrast
| Background | Ratio | AA text | AA large | AAA text |
|---|---|---|---|---|
| white | 2.19:1 | fail | fail | fail |
| black | 9.58:1 | pass | pass | pass |
| slate-900 | 8.14:1 | pass | pass | pass |
| gray-100 | 1.99:1 | fail | fail | fail |
Ratios use WCAG relative luminance for opaque sRGB colors. Normal text requires 4.5:1, or 7:1 at AAA. Large text requires 3:1: at least 24 CSS pixels, or about 18.67 CSS pixels when bold. Pass/fail uses the unrounded ratio. Contrast alone is not a full accessibility assessment.
Colors paired with #f39c12 in real UI palettes
These colors appear alongside #f39c12 in StyleKit's curated palettes. Co-occurrence is not a promise of text readability; each pair includes its measured contrast.
- #3498db
Used together in Collage Art, Sketch Style.
1.44:1
Not for normal text - #e74c3c
Used together in Collage Art, Sketch Style.
1.74:1
Not for normal text - #f5f0e8
Used together in Collage Art, Sketch Style.
1.93:1
Not for normal text - #27ae60
Used together in Sketch Style.
1.31:1
Not for normal text - #2c2c2c
Used together in Sketch Style.
6.37:1
AA normal text - #2d2d2d
Used together in Collage Art.
6.28:1
AA normal text
A readable starting point
black text on #f39c12: 9.58:1 contrast.
Design styles using this color
Tints and shades
Lightness ladder in HSL space, from the lightest tint to the darkest shade of #f39c12.
Similar colors in the library
Nearest swatches by perceptual OKLab distance across all curated style palettes.
AI prompt snippet
Use #f39c12 as the accent color, following the Collage Art style: rgb(243, 156, 18), nearest Tailwind token amber-500. Keep text contrast at least 4.5:1 (this color scores 2.19:1 on white, 9.58:1 on black).
Paste this into ChatGPT, Claude, Cursor, or v0 to use #f39c12 with correct contrast constraints. Browse all palette colors.
Questions about #f39c12
What color is #f39c12?
#f39c12 is rgb(243, 156, 18), or hsl(37, 90%, 51%). The nearest reference Tailwind v4 token is amber-500 (#fe9a00), not an exact match.
What text color should I use on #f39c12?
Black (#000000) has the higher black-or-white contrast against #f39c12: 9.58:1. This calculation assumes opaque, flat sRGB colors. Normal text requires 4.5:1 and large text 3:1 under WCAG 2.2 SC 1.4.3; it is not a complete accessibility assessment.
How can I use exactly #f39c12 in Tailwind CSS?
Use bg-[#f39c12], text-[#f39c12], or a CSS custom property instead of substituting a nearby named token. The reference palette is Tailwind CSS 4.1.18, converted from OKLCH to sRGB hex; newer Tailwind versions and custom themes can differ.
Sources and calculation limits
Reference palette: Tailwind CSS 4.1.18, converted from OKLCH to sRGB hex. Named tokens are versioned approximations; use the exact hex utilities when matching an existing design. Palette pairings come from the linked StyleKit definitions, not external popularity or preference data.