Color #BB9904 Color / Colour Code #BB9904
This page shows the hex color code for color #bb9904 (#BB9904). The colour is a yellow tone with 96% saturation and 37% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #BB9904 against common backgrounds.
Complementary Colors
#BB9904 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 19, 49, and 79 degrees for harmonious combinations.
Triadic Palette
Three colors at 49, 169, and 289 degrees.
Color Palettes Using #BB9904
Five shades at lightness levels 15% through 85% while keeping hue at 49 and saturation at 96%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 49 to 94 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 49 with its complement at 229 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 #BB9904
Lightness variations at hue 49 and 96% saturation.
CSS Gradients with #BB9904
Design Use Cases for #BB9904
High-Impact Accent
With 96% saturation, #BB9904 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.
Primary Interface Color
At 37% lightness, #BB9904 is in the mid-range, making it ideal for interactive elements like buttons, links, and selected states. This lightness level ensures good contrast against both light and dark adjacent elements in most layouts.
Attention & Optimism
#BB9904 is in the yellow spectrum (hue 49). 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 #BB9904 (hue 49) to its complement at hue 229. For a subtler effect, try pairing with an analogous color at hue 79. Use CSS: background: linear-gradient(135deg, #bb9904, #0425b9);
CSS Code for #BB9904
Similar Colors
Colors visually similar to #BB9904 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #BB9904 across image editing and color design tools.
About Color #BB9904 (#BB9904)
#BB9904 is a yellow color (colour) with RGB channel values of 187 red, 153 green, and 4 blue. The red channel is dominant by a ratio of 46.8:1 over the weakest channel. In HSL terms, the hue sits at 49 degrees with 96% saturation and 37% lightness, placing it in the warm range of the colour spectrum.
The perceived brightness of #BB9904 is 146/255 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, 18% magenta, 98% yellow, and 27% key (black).
The WCAG contrast ratio of #BB9904 against white is 2.74:1 and against black is 7.67:1. This does not meet AA requirements on white. Use it on dark backgrounds where it achieves 7.67:1, or use it exclusively for decorative purposes.
The complementary colour #0425B9 creates maximum visual tension when paired with #BB9904. For more harmonious color combinations, use the analogous colours #B93D04 and #80B904, 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 #BB9904
- 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 #BB9904?
- #BB9904 is Color #BB9904, a yellow color (colour) with RGB(187, 153, 4), HSL(49, 96%, 37%), and CMYK(0%, 18%, 98%, 27%). Its perceived brightness is 146/255.
- Is #BB9904 accessible for text?
- Against white, #BB9904 has a contrast ratio of 2.74:1 (fails AA for normal text). Against black, it has 7.67:1 (passes AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #BB9904?
- The complementary colour is #0425B9 (hue 229). For subtle color combinations, use analogous colours #B93D04 and #80B904. The triadic palette adds #04B998 and #9804B9 for vibrant variety.
- How do I use #BB9904 in CSS?
- Use any format: color: #bb9904; or rgb(187, 153, 4); or hsl(49, 96%, 37%). For CSS custom properties: --color-primary: 49 96% 37%; 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.