#ffec27

#ffec27 is rgb(255, 236, 39), or hsl(55, 100%, 58%). The nearest reference Tailwind v4 token is yellow-300 (#ffdf20), not an exact match.

Conversions

WCAG contrast

Background	Ratio	AA text	AA large	AAA text
white	1.22:1	fail	fail	fail
black	17.28:1	pass	pass	pass
slate-900	14.69:1	pass	pass	pass
gray-100	1.10:1	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 #ffec27 in real UI palettes

These colors appear alongside #ffec27 in StyleKit's curated palettes. Co-occurrence is not a promise of text readability; each pair includes its measured contrast.

#00e436
Used together in Pixel Art.
1.42:1
Not for normal text
#1a1c2c
Used together in Pixel Art.
13.86:1
AA normal text
#29adff
Used together in Pixel Art.
2.03:1
Not for normal text
#f4f4f4
Used together in Pixel Art.
1.10:1
Not for normal text
#ff004d
Used together in Pixel Art.
3.22:1
Not for normal text

A readable starting point

black text on #ffec27: 17.28:1 contrast.

Design styles using this color

Pixel Artaccent · retro

Tints and shades

#fffbd4

#fff7a9

#fff47d

#fff052

#ebd700

#b0a100

#766b00

#3b3600

Lightness ladder in HSL space, from the lightest tint to the darkest shade of #ffec27.

Similar colors in the library

#ffea00 #ffde03 #f5e000 #ffe66d #ffff00 #ffd700 #ffd93d #e6ff00

Nearest swatches by perceptual OKLab distance across all curated style palettes.

AI prompt snippet

Use #ffec27 as the accent color, following the Pixel Art style: rgb(255, 236, 39), nearest Tailwind token yellow-300. Keep text contrast at least 4.5:1 (this color scores 1.22:1 on white, 17.28:1 on black).

Paste this into ChatGPT, Claude, Cursor, or v0 to use #ffec27 with correct contrast constraints. Browse all palette colors.

Questions about #ffec27

What color is #ffec27?

#ffec27 is rgb(255, 236, 39), or hsl(55, 100%, 58%). The nearest reference Tailwind v4 token is yellow-300 (#ffdf20), not an exact match.

What text color should I use on #ffec27?

Black (#000000) has the higher black-or-white contrast against #ffec27: 17.28:1. 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 #ffec27 in Tailwind CSS?

Use bg-[#ffec27], text-[#ffec27], 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.