Color #81A008 Color / Colour Code #81A008
This page shows the hex color code for color #81a008 (#81A008). The colour is a yellow tone with 90% saturation and 33% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #81A008 against common backgrounds.
Complementary Colors
#81A008 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 42, 72, and 102 degrees for harmonious combinations.
Triadic Palette
Three colors at 72, 192, and 312 degrees.
Color Palettes Using #81A008
Five shades at lightness levels 15% through 85% while keeping hue at 72 and saturation at 90%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 72 to 117 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 72 with its complement at 252 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 #81A008
Lightness variations at hue 72 and 90% saturation.
CSS Gradients with #81A008
Design Use Cases for #81A008
High-Impact Accent
With 90% saturation, #81A008 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 33% lightness, #81A008 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
#81A008 is in the yellow spectrum (hue 72). 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 #81A008 (hue 72) to its complement at hue 252. For a subtler effect, try pairing with an analogous color at hue 102. Use CSS: background: linear-gradient(135deg, #81a008, #2708a0);
CSS Code for #81A008
Similar Colors
Colors visually similar to #81A008 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #81A008 across image editing and color design tools.
About Color #81A008 (#81A008)
#81A008 is a yellow color (colour) with RGB channel values of 129 red, 160 green, and 8 blue. The green channel is dominant by a ratio of 20.0:1 over the weakest channel. In HSL terms, the hue sits at 72 degrees with 90% saturation and 33% lightness, placing it in the neutral-to-cool range of the colour spectrum.
The perceived brightness of #81A008 is 133/255 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 19% cyan, 0% magenta, 95% yellow, and 37% key (black).
The WCAG contrast ratio of #81A008 against white is 3.01:1 and against black is 6.97:1. This only passes AA for large text (18pt+) on white. For normal body text on white, darken the color or use it on a dark background where it achieves 6.97:1.
The complementary colour #2708A0 creates maximum visual tension when paired with #81A008. For more harmonious color combinations, use the analogous colours #A07208 and #36A008, 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 #81A008
- 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 #81A008?
- #81A008 is Color #81A008, a yellow color (colour) with RGB(129, 160, 8), HSL(72, 90%, 33%), and CMYK(19%, 0%, 95%, 37%). Its perceived brightness is 133/255.
- Is #81A008 accessible for text?
- Against white, #81A008 has a contrast ratio of 3.01:1 (fails AA for normal text). Against black, it has 6.97:1 (passes AA). It passes AA for large text (18pt+) on white. Use the contrast checker tool for custom background pairings.
- What colours pair well with #81A008?
- The complementary colour is #2708A0 (hue 252). For subtle color combinations, use analogous colours #A07208 and #36A008. The triadic palette adds #0882A0 and #A00882 for vibrant variety.
- How do I use #81A008 in CSS?
- Use any format: color: #81a008; or rgb(129, 160, 8); or hsl(72, 90%, 33%). For CSS custom properties: --color-primary: 72 90% 33%; 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.