Color #27AAA4 Color / Colour Code #27AAA4
This page shows the hex color code for color #27aaa4 (#27AAA4). The colour is a cyan tone with 63% saturation and 41% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #27AAA4 against common backgrounds.
Complementary Colors
#27AAA4 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 147, 177, and 207 degrees for harmonious combinations.
Triadic Palette
Three colors at 177, 297, and 57 degrees.
Color Palettes Using #27AAA4
Five shades at lightness levels 15% through 85% while keeping hue at 177 and saturation at 63%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 177 to 222 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 177 with its complement at 357 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 #27AAA4
Lightness variations at hue 177 and 63% saturation.
CSS Gradients with #27AAA4
Design Use Cases for #27AAA4
Vibrant Brand Color
#27AAA4 has a strong 63% 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 41% lightness, #27AAA4 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
#27AAA4 is in the cyan spectrum (hue 177). 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 #27AAA4 (hue 177) to its complement at hue 357. For a subtler effect, try pairing with an analogous color at hue 207. Use CSS: background: linear-gradient(135deg, #27aaa4, #aa272d);
CSS Code for #27AAA4
Similar Colors
Colors visually similar to #27AAA4 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #27AAA4 across image editing and color design tools.
About Color #27AAA4 (#27AAA4)
#27AAA4 is a cyan color (colour) with RGB channel values of 39 red, 170 green, and 164 blue. The green channel is dominant by a ratio of 4.4:1 over the weakest channel. In HSL terms, the hue sits at 177 degrees with 63% saturation and 41% lightness, placing it in the neutral-to-cool range of the colour spectrum.
The perceived brightness of #27AAA4 is 130/255 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 77% cyan, 0% magenta, 4% yellow, and 33% key (black).
The WCAG contrast ratio of #27AAA4 against white is 2.85:1 and against black is 7.37:1. This does not meet AA requirements on white. Use it on dark backgrounds where it achieves 7.37:1, or use it exclusively for decorative purposes.
The complementary colour #AA272D creates maximum visual tension when paired with #27AAA4. For more harmonious color combinations, use the analogous colours #27AA62 and #276FAA, 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 #27AAA4
- 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 #27AAA4?
- #27AAA4 is Color #27AAA4, a cyan color (colour) with RGB(39, 170, 164), HSL(177, 63%, 41%), and CMYK(77%, 0%, 4%, 33%). Its perceived brightness is 130/255.
- Is #27AAA4 accessible for text?
- Against white, #27AAA4 has a contrast ratio of 2.85:1 (fails AA for normal text). Against black, it has 7.37:1 (passes AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #27AAA4?
- The complementary colour is #AA272D (hue 357). For subtle color combinations, use analogous colours #27AA62 and #276FAA. The triadic palette adds #A427AA and #AAA427 for vibrant variety.
- How do I use #27AAA4 in CSS?
- Use any format: color: #27aaa4; or rgb(39, 170, 164); or hsl(177, 63%, 41%). For CSS custom properties: --color-primary: 177 63% 41%; 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.