Color #1E9999 Color / Colour Code #1E9999
This page shows the hex color code for color #1e9999 (#1E9999). The colour is a cyan tone with 67% saturation and 36% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #1E9999 against common backgrounds.
Complementary Colors
#1E9999 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 150, 180, and 210 degrees for harmonious combinations.
Triadic Palette
Three colors at 180, 300, and 60 degrees.
Color Palettes Using #1E9999
Five shades at lightness levels 15% through 85% while keeping hue at 180 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 180 to 225 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 180 with its complement at 0 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 #1E9999
Lightness variations at hue 180 and 67% saturation.
CSS Gradients with #1E9999
Design Use Cases for #1E9999
Vibrant Brand Color
#1E9999 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.
Primary Interface Color
At 36% lightness, #1E9999 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
#1E9999 is in the cyan spectrum (hue 180). 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 #1E9999 (hue 180) to its complement at hue 0. For a subtler effect, try pairing with an analogous color at hue 210. Use CSS: background: linear-gradient(135deg, #1e9999, #991e1e);
CSS Code for #1E9999
Similar Colors
Colors visually similar to #1E9999 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #1E9999 across image editing and color design tools.
About Color #1E9999 (#1E9999)
#1E9999 is a cyan color (colour) with RGB channel values of 30 red, 153 green, and 153 blue. The green channel is dominant by a ratio of 5.1:1 over the weakest channel. In HSL terms, the hue sits at 180 degrees with 67% saturation and 36% lightness, placing it in the cool range of the colour spectrum.
The perceived brightness of #1E9999 is 116/255 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 80% cyan, 0% magenta, 0% yellow, and 40% key (black).
The WCAG contrast ratio of #1E9999 against white is 3.46:1 and against black is 6.07:1. 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 6.07:1.
The complementary colour #991E1E creates maximum visual tension when paired with #1E9999. For more harmonious color combinations, use the analogous colours #1E995C and #1E5C99, 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 #1E9999
- 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 #1E9999?
- #1E9999 is Color #1E9999, a cyan color (colour) with RGB(30, 153, 153), HSL(180, 67%, 36%), and CMYK(80%, 0%, 0%, 40%). Its perceived brightness is 116/255.
- Is #1E9999 accessible for text?
- Against white, #1E9999 has a contrast ratio of 3.46:1 (fails AA for normal text). Against black, it has 6.07:1 (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 #1E9999?
- The complementary colour is #991E1E (hue 0). For subtle color combinations, use analogous colours #1E995C and #1E5C99. The triadic palette adds #991E99 and #99991E for vibrant variety.
- How do I use #1E9999 in CSS?
- Use any format: color: #1e9999; or rgb(30, 153, 153); or hsl(180, 67%, 36%). For CSS custom properties: --color-primary: 180 67% 36%; 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.