#FFEE21

A color in the Yellow, Gold family

#ffee21 is a color in the Yellow, Gold family: RGB(255, 238, 33), HSL(55°, 100%, 56%), CMYK(0%, 7%, 87%, 0%). Closest named color: yellow. Contrast is 1.2:1 on white and 17.5:1 on black. See shades, harmonies and color-blindness simulation.

Color Codes

HEX#ffee21
RGBrgb(255 238 33)
RGB (legacy)rgb(255, 238, 33)
RGB %rgb(100% 93% 13%)
HSLhsl(55 100% 56%)
HSV / HSBhsv(55, 87%, 100%)
HWBhwb(55 13% 0%)
CMYKcmyk(0%, 7%, 87%, 0%)
CIELAB (D50)lab(93.29 -7.71 86.95)
LCHlch(93.29 87.29 95.07)
OKLaboklab(0.9335 -0.0468 0.1863)
OKLCHoklch(0.9335 0.1921 104.09)
Decimal16772641

Properties

Color ToneYellow, Gold
Closest named coloryellow ΔE 4.4
Closest web-safe color#ffff33
Hue55°
Saturation (HSL / HSV)100% / 87%
Lightness (HSL)56%
Brightness or Value (HSV)100%
Luminance (Rec.601 / Rec.709)86% / 89%
Relative luminance (WCAG)0.8252
Red / Green / Blue255 / 238 / 33

WCAG 2.2 Contrast Ratio

On White (#ffffff)
1.20:1
AA Normal (4.5:1) · FailAA Large (3:1) · FailAAA Normal (7:1) · Fail
On Black (#000000)
17.50:1
AA Normal (4.5:1) · PassAA Large (3:1) · PassAAA Normal (7:1) · Pass
Aa Bb 123

APCA Contrast Lc (reference) — As text on white / black: Lc 9.5 / -94.6 · As background with white / black text: Lc -11.2 / 94

Lightness Scale (OKLCH 50–950)

Eleven steps that change only perceived lightness while keeping hue and chroma — ready to use as design-system color tokens.

Tints (mixed with white)

Shades (mixed with black)

Color Harmonies

Color Vision Deficiency Simulation

Estimated appearance of this color for people with color vision deficiencies (Machado 2009).

Similar Named Colors

Use in CSS

:root {
  --color-brand: #ffee21;
  --color-brand-oklch: oklch(93.35% 0.1921 104.09);
}
.text { color: var(--color-brand); }
.background { background-color: var(--color-brand); }
.border { border: 1px solid rgb(255 238 33 / 50%); }
/* Tailwind CSS */
<div class="bg-[#ffee21] text-[#ffee21] border-[#ffee21]">