Color #FF99AA Color / Colour Code #FF99AA
This page shows the hex color code for color #ff99aa (#FF99AA). The colour is a red tone with 100% saturation and 80% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #FF99AA against common backgrounds.
Complementary Colors
#FF99AA paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 320, 350, and 20 degrees for harmonious combinations.
Triadic Palette
Three colors at 350, 110, and 230 degrees.
Color Palettes Using #FF99AA
Five shades at lightness levels 15% through 85% while keeping hue at 350 and saturation at 100%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 350 to 35 degrees create a warm, unified palette. This analogous scheme works for marketing materials, seasonal campaigns, and any design that needs visual warmth without clashing colors.
Combines the base color at hue 350 with its complement at 170 and two adjacent cool tones. This split-complementary approach provides strong visual contrast while remaining more balanced than a pure complementary scheme.
Five evenly spaced hues at 40% saturation and 80% lightness. Pastels are gentle on the eyes and work well for dashboards, onboarding screens, category tags, and any interface where multiple distinct colors are needed without visual aggression.
Shades & Tints of #FF99AA
Lightness variations at hue 350 and 100% saturation.
CSS Gradients with #FF99AA
Design Use Cases for #FF99AA
High-Impact Accent
With 100% saturation, #FF99AA is highly vivid. Reserve this for elements that need maximum attention: primary action buttons, notification badges, error states, or promotional banners. Use sparingly alongside neutral tones to avoid visual fatigue.
Light Background Tint
#FF99AA at 80% lightness creates a gentle tinted background. Use it for section backgrounds, alert banners, or card surfaces that need to stand out from a white page without strong contrast. It adds color personality while keeping the design light and open.
Urgency & Energy Signaling
#FF99AA falls in the red spectrum (hue 350). Red triggers urgency and excitement, making it effective for sale badges, countdown timers, error messages, and "limited time" labels. In data visualization, use it to flag negative values or critical thresholds.
Gradient Pairing
Create a gradient from #FF99AA (hue 350) to its complement at hue 170. For a subtler effect, try pairing with an analogous color at hue 20. Use CSS: background: linear-gradient(135deg, #ff99aa, #99ffee);
CSS Code for #FF99AA
Similar Colors
Colors visually similar to #FF99AA based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #FF99AA across image editing and color design tools.
About Color #FF99AA (#FF99AA)
#FF99AA is a red color (colour) with RGB channel values of 255 red, 153 green, and 170 blue. The red channel is dominant with a relatively balanced channel distribution. In HSL terms, the hue sits at 350 degrees with 100% saturation and 80% lightness, placing it in the warm range of the colour spectrum.
The perceived brightness of #FF99AA is 185/255 using the ITU-R BT.601 luma formula (0.299R + 0.587G + 0.114B). This is a medium-brightness color that can work with either dark or light text depending on font weight and size. For print production, the CMYK equivalent is 0% cyan, 40% magenta, 33% yellow, and 0% key (black).
The WCAG contrast ratio of #FF99AA against white is 2.02:1 and against black is 10.39:1. This does not meet AA requirements on white. Use it on dark backgrounds where it achieves 10.39:1, or use it exclusively for decorative purposes.
The complementary colour #99FFEE creates maximum visual tension when paired with #FF99AA. For more harmonious color combinations, use the analogous colours #FF99DD and #FFBB99, which sit 30 degrees on either side of the hue wheel. To build a complete design system, start with the monochromatic scale above for consistent shade variations, then add one complementary or triadic accent for interactive elements.
How to Explore Color #FF99AA
- Enter your color value in HEX format.
- The tool converts it to RGB, HSL, CMYK format in real time.
- Copy the converted value to your clipboard.
What is HEX to RGB, HSL, CMYK color conversion
Converting from HEX to RGB, HSL, CMYK translates a color value between two different color models. Different color models are used in web design (HEX, RGB), print (CMYK), and color theory (HSL, HSV).
Related Tools & Colors
Frequently Asked Questions
- What color / colour is #FF99AA?
- #FF99AA is Color #FF99AA, a red color (colour) with RGB(255, 153, 170), HSL(350, 100%, 80%), and CMYK(0%, 40%, 33%, 0%). Its perceived brightness is 185/255.
- Is #FF99AA accessible for text?
- Against white, #FF99AA has a contrast ratio of 2.02:1 (fails AA for normal text). Against black, it has 10.39:1 (passes AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #FF99AA?
- The complementary colour is #99FFEE (hue 170). For subtle color combinations, use analogous colours #FF99DD and #FFBB99. The triadic palette adds #AAFF99 and #99AAFF for vibrant variety.
- How do I use #FF99AA in CSS?
- Use any format: color: #ff99aa; or rgb(255, 153, 170); or hsl(350, 100%, 80%). For CSS custom properties: --color-primary: 350 100% 80%; then use it as hsl(var(--color-primary)).
- Is this color / colour explorer free?
- Yes, completely free with no signup required. All colour calculations run in your browser. You can explore any valid hex color code, not just the pre-generated palette.