Color #428563 Color / Colour Code #428563
This page shows the hex color code for color #428563 (#428563). The colour is a cyan tone with 34% saturation and 39% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #428563 against common backgrounds.
Complementary Colors
#428563 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 120, 150, and 180 degrees for harmonious combinations.
Triadic Palette
Three colors at 150, 270, and 30 degrees.
Color Palettes Using #428563
Five shades at lightness levels 15% through 85% while keeping hue at 150 and saturation at 34%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 150 to 195 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 150 with its complement at 330 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 #428563
Lightness variations at hue 150 and 34% saturation.
CSS Gradients with #428563
Design Use Cases for #428563
Balanced UI Color
At 34% saturation, #428563 strikes a balance between vibrancy and restraint. This makes it versatile for primary UI elements like navigation bars, card headers, and form accents. It draws attention without overwhelming adjacent content.
Primary Interface Color
At 39% lightness, #428563 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
#428563 is in the cyan spectrum (hue 150). 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 #428563 (hue 150) to its complement at hue 330. For a subtler effect, try pairing with an analogous color at hue 180. Use CSS: background: linear-gradient(135deg, #428563, #854263);
CSS Code for #428563
Similar Colors
Colors visually similar to #428563 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #428563 across image editing and color design tools.
About Color #428563 (#428563)
#428563 is a cyan color (colour) with RGB channel values of 66 red, 133 green, and 99 blue. The green channel is dominant by a ratio of 2.0:1 over the weakest channel. In HSL terms, the hue sits at 150 degrees with 34% saturation and 39% lightness, placing it in the neutral-to-cool range of the colour spectrum.
The perceived brightness of #428563 is 109/255 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 50% cyan, 0% magenta, 26% yellow, and 48% key (black).
The WCAG contrast ratio of #428563 against white is 4.41:1 and against black is 4.77:1. 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 4.77:1.
The complementary colour #854263 creates maximum visual tension when paired with #428563. For more harmonious color combinations, use the analogous colours #428542 and #428585, 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 #428563
- 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 #428563?
- #428563 is Color #428563, a cyan color (colour) with RGB(66, 133, 99), HSL(150, 34%, 39%), and CMYK(50%, 0%, 26%, 48%). Its perceived brightness is 109/255.
- Is #428563 accessible for text?
- Against white, #428563 has a contrast ratio of 4.41:1 (fails AA for normal text). Against black, it has 4.77:1 (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 #428563?
- The complementary colour is #854263 (hue 330). For subtle color combinations, use analogous colours #428542 and #428585. The triadic palette adds #634285 and #856342 for vibrant variety.
- How do I use #428563 in CSS?
- Use any format: color: #428563; or rgb(66, 133, 99); or hsl(150, 34%, 39%). For CSS custom properties: --color-primary: 150 34% 39%; 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.