Color #816618 Color / Colour Code #816618
This page shows the hex color code for color #816618 (#816618). The colour is a yellow tone with 69% saturation and 30% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #816618 against common backgrounds.
Complementary Colors
#816618 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 15, 45, and 75 degrees for harmonious combinations.
Triadic Palette
Three colors at 45, 165, and 285 degrees.
Color Palettes Using #816618
Five shades at lightness levels 15% through 85% while keeping hue at 45 and saturation at 69%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 45 to 90 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 45 with its complement at 225 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 #816618
Lightness variations at hue 45 and 69% saturation.
CSS Gradients with #816618
Design Use Cases for #816618
Vibrant Brand Color
#816618 has a strong 69% saturation that makes it ideal for brand identity elements. Use it for logos, primary call-to-action buttons, hero section accents, and marketing materials where visual impact matters. This saturation level is eye-catching without being harsh.
Primary Interface Color
At 30% lightness, #816618 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
#816618 is in the yellow spectrum (hue 45). 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 #816618 (hue 45) to its complement at hue 225. For a subtler effect, try pairing with an analogous color at hue 75. Use CSS: background: linear-gradient(135deg, #816618, #183281);
CSS Code for #816618
Similar Colors
Colors visually similar to #816618 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #816618 across image editing and color design tools.
About Color #816618 (#816618)
#816618 is a yellow color (colour) with RGB channel values of 129 red, 102 green, and 24 blue. The red channel is dominant by a ratio of 5.4:1 over the weakest channel. In HSL terms, the hue sits at 45 degrees with 69% saturation and 30% lightness, placing it in the warm range of the colour spectrum.
The perceived brightness of #816618 is 101/255 using the ITU-R BT.601 luma formula (0.299R + 0.587G + 0.114B). This appears dark to the human eye, so pair it with light text for adequate readability. For print production, the CMYK equivalent is 0% cyan, 21% magenta, 81% yellow, and 49% key (black).
The WCAG contrast ratio of #816618 against white is 5.46:1 and against black is 3.85:1. This meets the AA requirement (4.5:1) for normal text on white. For AAA compliance, consider darkening to at least 21% lightness.
The complementary colour #183281 creates maximum visual tension when paired with #816618. For more harmonious color combinations, use the analogous colours #813218 and #678118, 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 #816618
- 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 #816618?
- #816618 is Color #816618, a yellow color (colour) with RGB(129, 102, 24), HSL(45, 69%, 30%), and CMYK(0%, 21%, 81%, 49%). Its perceived brightness is 101/255.
- Is #816618 accessible for text?
- Against white, #816618 has a contrast ratio of 5.46:1 (passes AA for normal text). Against black, it has 3.85:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #816618?
- The complementary colour is #183281 (hue 225). For subtle color combinations, use analogous colours #813218 and #678118. The triadic palette adds #188167 and #671881 for vibrant variety.
- How do I use #816618 in CSS?
- Use any format: color: #816618; or rgb(129, 102, 24); or hsl(45, 69%, 30%). For CSS custom properties: --color-primary: 45 69% 30%; 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.