Color #155100 Color / Colour Code #155100
This page shows the hex color code for color #155100 (#155100). The colour is a green tone with 100% saturation and 16% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #155100 against common backgrounds.
Complementary Colors
#155100 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 74, 104, and 134 degrees for harmonious combinations.
Triadic Palette
Three colors at 104, 224, and 344 degrees.
Color Palettes Using #155100
Five shades at lightness levels 15% through 85% while keeping hue at 104 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 104 to 149 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 104 with its complement at 284 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 #155100
Lightness variations at hue 104 and 100% saturation.
CSS Gradients with #155100
Design Use Cases for #155100
High-Impact Accent
With 100% saturation, #155100 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.
Deep Accent & Text Color
#155100 at 16% lightness is dark enough for readable body text on light backgrounds while retaining its green character. Use for headings, emphasized text, or deep accent borders. It provides contrast without the harshness of pure black.
Success & Growth Indicators
#155100 falls in the green range (hue 104). 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 #155100 (hue 104) to its complement at hue 284. For a subtler effect, try pairing with an analogous color at hue 134. Use CSS: background: linear-gradient(135deg, #155100, #3c0052);
CSS Code for #155100
Similar Colors
Colors visually similar to #155100 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #155100 across image editing and color design tools.
About Color #155100 (#155100)
#155100 is a green color (colour) with RGB channel values of 21 red, 81 green, and 0 blue. The green channel is dominant by a ratio of 81.0:1 over the weakest channel. In HSL terms, the hue sits at 104 degrees with 100% saturation and 16% lightness, placing it in the neutral-to-cool range of the colour spectrum.
The perceived brightness of #155100 is 54/255 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 74% cyan, 0% magenta, 100% yellow, and 68% key (black).
The WCAG contrast ratio of #155100 against white is 9.51:1 and against black is 2.21:1. 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 #3C0052 creates maximum visual tension when paired with #155100. For more harmonious color combinations, use the analogous colours #3F5200 and #005213, 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 #155100
- 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 #155100?
- #155100 is Color #155100, a green color (colour) with RGB(21, 81, 0), HSL(104, 100%, 16%), and CMYK(74%, 0%, 100%, 68%). Its perceived brightness is 54/255.
- Is #155100 accessible for text?
- Against white, #155100 has a contrast ratio of 9.51:1 (passes AA for normal text). Against black, it has 2.21:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #155100?
- The complementary colour is #3C0052 (hue 284). For subtle color combinations, use analogous colours #3F5200 and #005213. The triadic palette adds #001652 and #520016 for vibrant variety.
- How do I use #155100 in CSS?
- Use any format: color: #155100; or rgb(21, 81, 0); or hsl(104, 100%, 16%). For CSS custom properties: --color-primary: 104 100% 16%; 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.