#00cec9
#00cec9 is rgb(0, 206, 201), or hsl(179, 100%, 40%). The nearest reference Tailwind v4 token is teal-400 (#00d5be), not an exact match.
Conversions
WCAG contrast
| Background | Ratio | AA text | AA large | AAA text |
|---|---|---|---|---|
| white | 1.97:1 | fail | fail | fail |
| black | 10.67:1 | pass | pass | pass |
| slate-900 | 9.07:1 | pass | pass | pass |
| gray-100 | 1.79:1 | 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 #00cec9 in real UI palettes
These colors appear alongside #00cec9 in StyleKit's curated palettes. Co-occurrence is not a promise of text readability; each pair includes its measured contrast.
- #1a1a2e
Used together in Card Stack.
8.67:1
AA normal text - #6c5ce7
Used together in Card Stack.
2.47:1
Not for normal text - #f0f0f5
Used together in Card Stack.
1.73:1
Not for normal text - #fd79a8
Used together in Card Stack.
1.26:1
Not for normal text - #ffeaa7
Used together in Card Stack.
1.65:1
Not for normal text
A readable starting point
black text on #00cec9: 10.67:1 contrast.
Design styles using this color
Tints and shades
Lightness ladder in HSL space, from the lightest tint to the darkest shade of #00cec9.
Similar colors in the library
Nearest swatches by perceptual OKLab distance across all curated style palettes.
AI prompt snippet
Use #00cec9 as the accent color, following the Card Stack style: rgb(0, 206, 201), nearest Tailwind token teal-400. Keep text contrast at least 4.5:1 (this color scores 1.97:1 on white, 10.67:1 on black).
Paste this into ChatGPT, Claude, Cursor, or v0 to use #00cec9 with correct contrast constraints. Browse all palette colors.
Questions about #00cec9
What color is #00cec9?
#00cec9 is rgb(0, 206, 201), or hsl(179, 100%, 40%). The nearest reference Tailwind v4 token is teal-400 (#00d5be), not an exact match.
What text color should I use on #00cec9?
Black (#000000) has the higher black-or-white contrast against #00cec9: 10.67:1. 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 #00cec9 in Tailwind CSS?
Use bg-[#00cec9], text-[#00cec9], 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.