Color #66E176 Color / Colour Code #66E176
This page shows the hex color code for color #66e176 (#66E176). The colour is a green tone with 67% saturation and 64% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #66E176 against common backgrounds.
Complementary Colors
#66E176 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 98, 128, and 158 degrees for harmonious combinations.
Triadic Palette
Three colors at 128, 248, and 8 degrees.
Color Palettes Using #66E176
Five shades at lightness levels 15% through 85% while keeping hue at 128 and saturation at 67%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 128 to 173 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 128 with its complement at 308 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 #66E176
Lightness variations at hue 128 and 67% saturation.
CSS Gradients with #66E176
Design Use Cases for #66E176
Vibrant Brand Color
#66E176 has a strong 67% 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.
Soft Accent & Highlight
With 64% lightness, #66E176 has a softer, more approachable quality. It works well for hover states, subtle highlights, progress indicators, and secondary UI elements. This lightness range is particularly effective for tag backgrounds and status indicators.
Success & Growth Indicators
#66E176 falls in the green range (hue 128). 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 #66E176 (hue 128) to its complement at hue 308. For a subtler effect, try pairing with an analogous color at hue 158. Use CSS: background: linear-gradient(135deg, #66e176, #e166d0);
CSS Code for #66E176
Similar Colors
Colors visually similar to #66E176 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #66E176 across image editing and color design tools.
About Color #66E176 (#66E176)
#66E176 is a green color (colour) with RGB channel values of 102 red, 225 green, and 118 blue. The green channel is dominant by a ratio of 2.2:1 over the weakest channel. In HSL terms, the hue sits at 128 degrees with 67% saturation and 64% lightness, placing it in the neutral-to-cool range of the colour spectrum.
The perceived brightness of #66E176 is 176/255 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 55% cyan, 0% magenta, 48% yellow, and 12% key (black).
The WCAG contrast ratio of #66E176 against white is 1.67:1 and against black is 12.60:1. This does not meet AA requirements on white. Use it on dark backgrounds where it achieves 12.60:1, or use it exclusively for decorative purposes.
The complementary colour #E166D0 creates maximum visual tension when paired with #66E176. For more harmonious color combinations, use the analogous colours #93E166 and #66E1B4, 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 #66E176
- 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 #66E176?
- #66E176 is Color #66E176, a green color (colour) with RGB(102, 225, 118), HSL(128, 67%, 64%), and CMYK(55%, 0%, 48%, 12%). Its perceived brightness is 176/255.
- Is #66E176 accessible for text?
- Against white, #66E176 has a contrast ratio of 1.67:1 (fails AA for normal text). Against black, it has 12.60:1 (passes AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #66E176?
- The complementary colour is #E166D0 (hue 308). For subtle color combinations, use analogous colours #93E166 and #66E1B4. The triadic palette adds #7666E1 and #E17666 for vibrant variety.
- How do I use #66E176 in CSS?
- Use any format: color: #66e176; or rgb(102, 225, 118); or hsl(128, 67%, 64%). For CSS custom properties: --color-primary: 128 67% 64%; 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.