Color #FDFF49 Color / Colour Code #FDFF49
This page shows the hex color code for color #fdff49 (#FDFF49). The colour is a yellow tone with 100% saturation and 64% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #FDFF49 against common backgrounds.
Complementary Colors
#FDFF49 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 31, 61, and 91 degrees for harmonious combinations.
Triadic Palette
Three colors at 61, 181, and 301 degrees.
Color Palettes Using #FDFF49
Five shades at lightness levels 15% through 85% while keeping hue at 61 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 61 to 106 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 61 with its complement at 241 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 #FDFF49
Lightness variations at hue 61 and 100% saturation.
CSS Gradients with #FDFF49
Design Use Cases for #FDFF49
High-Impact Accent
With 100% saturation, #FDFF49 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.
Soft Accent & Highlight
With 64% lightness, #FDFF49 has a softer, more approachable quality. It works well for hover states, subtle highlights, progress indicators, and secondary UI elements. This lightness range is particularly effective for tag backgrounds and status indicators.
Attention & Optimism
#FDFF49 is in the yellow spectrum (hue 61). Yellow attracts attention faster than any other color. Use it for warning labels, featured content markers, star ratings, and tooltip backgrounds. Pair with dark text since yellow often fails contrast checks against white.
Gradient Pairing
Create a gradient from #FDFF49 (hue 61) to its complement at hue 241. For a subtler effect, try pairing with an analogous color at hue 91. Use CSS: background: linear-gradient(135deg, #fdff49, #4a47ff);
CSS Code for #FDFF49
Similar Colors
Colors visually similar to #FDFF49 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #FDFF49 across image editing and color design tools.
About Color #FDFF49 (#FDFF49)
#FDFF49 is a yellow color (colour) with RGB channel values of 253 red, 255 green, and 73 blue. The green channel is dominant by a ratio of 3.5:1 over the weakest channel. In HSL terms, the hue sits at 61 degrees with 100% saturation and 64% lightness, placing it in the neutral-to-cool range of the colour spectrum.
The perceived brightness of #FDFF49 is 234/255 using the ITU-R BT.601 luma formula (0.299R + 0.587G + 0.114B). This means it appears bright to the human eye and is best paired with dark text for readability. For print production, the CMYK equivalent is 1% cyan, 0% magenta, 71% yellow, and 0% key (black).
The WCAG contrast ratio of #FDFF49 against white is 1.07:1 and against black is 19.58:1. This does not meet AA requirements on white. Use it on dark backgrounds where it achieves 19.58:1, or use it exclusively for decorative purposes.
The complementary colour #4A47FF creates maximum visual tension when paired with #FDFF49. For more harmonious color combinations, use the analogous colours #FFA647 and #A0FF47, 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 #FDFF49
- 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 #FDFF49?
- #FDFF49 is Color #FDFF49, a yellow color (colour) with RGB(253, 255, 73), HSL(61, 100%, 64%), and CMYK(1%, 0%, 71%, 0%). Its perceived brightness is 234/255.
- Is #FDFF49 accessible for text?
- Against white, #FDFF49 has a contrast ratio of 1.07:1 (fails AA for normal text). Against black, it has 19.58:1 (passes AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #FDFF49?
- The complementary colour is #4A47FF (hue 241). For subtle color combinations, use analogous colours #FFA647 and #A0FF47. The triadic palette adds #47FCFF and #FF47FC for vibrant variety.
- How do I use #FDFF49 in CSS?
- Use any format: color: #fdff49; or rgb(253, 255, 73); or hsl(61, 100%, 64%). For CSS custom properties: --color-primary: 61 100% 64%; 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.