Color #178256 Color / Colour Code #178256
This page shows the hex color code for color #178256 (#178256). The colour is a cyan tone with 70% saturation and 30% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #178256 against common backgrounds.
Complementary Colors
#178256 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 125, 155, and 185 degrees for harmonious combinations.
Triadic Palette
Three colors at 155, 275, and 35 degrees.
Color Palettes Using #178256
Five shades at lightness levels 15% through 85% while keeping hue at 155 and saturation at 70%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 155 to 200 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 155 with its complement at 335 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 #178256
Lightness variations at hue 155 and 70% saturation.
CSS Gradients with #178256
Design Use Cases for #178256
Vibrant Brand Color
#178256 has a strong 70% 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, #178256 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.
Clarity & Technology
#178256 is in the cyan spectrum (hue 155). Cyan evokes technology, clarity, and innovation. It works well for tech product interfaces, data visualization accents, loading indicators, and futuristic design themes. Cyan provides a modern alternative to traditional blues.
Gradient Pairing
Create a gradient from #178256 (hue 155) to its complement at hue 335. For a subtler effect, try pairing with an analogous color at hue 185. Use CSS: background: linear-gradient(135deg, #178256, #821744);
CSS Code for #178256
Similar Colors
Colors visually similar to #178256 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #178256 across image editing and color design tools.
About Color #178256 (#178256)
#178256 is a cyan color (colour) with RGB channel values of 23 red, 130 green, and 86 blue. The green channel is dominant by a ratio of 5.7:1 over the weakest channel. In HSL terms, the hue sits at 155 degrees with 70% saturation and 30% lightness, placing it in the neutral-to-cool range of the colour spectrum.
The perceived brightness of #178256 is 93/255 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 82% cyan, 0% magenta, 34% yellow, and 49% key (black).
The WCAG contrast ratio of #178256 against white is 4.81:1 and against black is 4.36:1. 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 #821744 creates maximum visual tension when paired with #178256. For more harmonious color combinations, use the analogous colours #178220 and #177982, 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 #178256
- 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 #178256?
- #178256 is Color #178256, a cyan color (colour) with RGB(23, 130, 86), HSL(155, 70%, 30%), and CMYK(82%, 0%, 34%, 49%). Its perceived brightness is 93/255.
- Is #178256 accessible for text?
- Against white, #178256 has a contrast ratio of 4.81:1 (passes AA for normal text). Against black, it has 4.36:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #178256?
- The complementary colour is #821744 (hue 335). For subtle color combinations, use analogous colours #178220 and #177982. The triadic palette adds #551782 and #825517 for vibrant variety.
- How do I use #178256 in CSS?
- Use any format: color: #178256; or rgb(23, 130, 86); or hsl(155, 70%, 30%). For CSS custom properties: --color-primary: 155 70% 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.