Color #0A290A Color / Colour Code #0A290A
This page shows the hex color code for color #0a290a (#0A290A). The colour is a green tone with 61% saturation and 10% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #0A290A against common backgrounds.
Complementary Colors
#0A290A paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 90, 120, and 150 degrees for harmonious combinations.
Triadic Palette
Three colors at 120, 240, and 0 degrees.
Color Palettes Using #0A290A
Five shades at lightness levels 15% through 85% while keeping hue at 120 and saturation at 61%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 120 to 165 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 120 with its complement at 300 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 #0A290A
Lightness variations at hue 120 and 61% saturation.
CSS Gradients with #0A290A
Design Use Cases for #0A290A
Vibrant Brand Color
#0A290A has a strong 61% 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.
Dark Mode Background
At just 10% lightness, #0A290A works as a dark mode background or overlay color. Dark backgrounds reduce eye strain in low-light environments and make bright accent colors pop. Pair with light text (minimum 4.5:1 contrast ratio) for readability.
Success & Growth Indicators
#0A290A falls in the green range (hue 120). Green universally represents success, growth, and safety. Use it for confirmation messages, positive chart data, eco-friendly badges, and health metrics. In financial dashboards, green indicates gains and positive performance.
Gradient Pairing
Create a gradient from #0A290A (hue 120) to its complement at hue 300. For a subtler effect, try pairing with an analogous color at hue 150. Use CSS: background: linear-gradient(135deg, #0a290a, #290a29);
CSS Code for #0A290A
Similar Colors
Colors visually similar to #0A290A based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #0A290A across image editing and color design tools.
About Color #0A290A (#0A290A)
#0A290A is a green color (colour) with RGB channel values of 10 red, 41 green, and 10 blue. The green channel is dominant by a ratio of 4.1:1 over the weakest channel. In HSL terms, the hue sits at 120 degrees with 61% saturation and 10% lightness, placing it in the neutral-to-cool range of the colour spectrum.
The perceived brightness of #0A290A is 28/255 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 76% cyan, 0% magenta, 76% yellow, and 84% key (black).
The WCAG contrast ratio of #0A290A against white is 15.74:1 and against black is 1.33:1. This exceeds the AAA requirement (7:1) for normal text on white, making it excellent for body text and small UI labels on light backgrounds.
The complementary colour #290A29 creates maximum visual tension when paired with #0A290A. For more harmonious color combinations, use the analogous colours #1A290A and #0A291A, 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 #0A290A
- 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 #0A290A?
- #0A290A is Color #0A290A, a green color (colour) with RGB(10, 41, 10), HSL(120, 61%, 10%), and CMYK(76%, 0%, 76%, 84%). Its perceived brightness is 28/255.
- Is #0A290A accessible for text?
- Against white, #0A290A has a contrast ratio of 15.74:1 (passes AA for normal text). Against black, it has 1.33:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #0A290A?
- The complementary colour is #290A29 (hue 300). For subtle color combinations, use analogous colours #1A290A and #0A291A. The triadic palette adds #0A0A29 and #290A0A for vibrant variety.
- How do I use #0A290A in CSS?
- Use any format: color: #0a290a; or rgb(10, 41, 10); or hsl(120, 61%, 10%). For CSS custom properties: --color-primary: 120 61% 10%; 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.