Color #21E293 Color / Colour Code #21E293
This page shows the hex color code for color #21e293 (#21E293). The colour is a cyan tone with 77% saturation and 51% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #21E293 against common backgrounds.
Complementary Colors
#21E293 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 #21E293
Five shades at lightness levels 15% through 85% while keeping hue at 155 and saturation at 77%. 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 #21E293
Lightness variations at hue 155 and 77% saturation.
CSS Gradients with #21E293
Design Use Cases for #21E293
Vibrant Brand Color
#21E293 has a strong 77% 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 51% lightness, #21E293 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.
Clarity & Technology
#21E293 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 #21E293 (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, #21e293, #e22272);
CSS Code for #21E293
Similar Colors
Colors visually similar to #21E293 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #21E293 across image editing and color design tools.
About Color #21E293 (#21E293)
#21E293 is a cyan color (colour) with RGB channel values of 33 red, 226 green, and 147 blue. The green channel is dominant by a ratio of 6.8:1 over the weakest channel. In HSL terms, the hue sits at 155 degrees with 77% saturation and 51% lightness, placing it in the neutral-to-cool range of the colour spectrum.
The perceived brightness of #21E293 is 159/255 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 85% cyan, 0% magenta, 35% yellow, and 11% key (black).
The WCAG contrast ratio of #21E293 against white is 1.70:1 and against black is 12.36:1. This does not meet AA requirements on white. Use it on dark backgrounds where it achieves 12.36:1, or use it exclusively for decorative purposes.
The complementary colour #E22272 creates maximum visual tension when paired with #21E293. For more harmonious color combinations, use the analogous colours #22E232 and #22D2E2, 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 #21E293
- 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 #21E293?
- #21E293 is Color #21E293, a cyan color (colour) with RGB(33, 226, 147), HSL(155, 77%, 51%), and CMYK(85%, 0%, 35%, 11%). Its perceived brightness is 159/255.
- Is #21E293 accessible for text?
- Against white, #21E293 has a contrast ratio of 1.70:1 (fails AA for normal text). Against black, it has 12.36:1 (passes AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #21E293?
- The complementary colour is #E22272 (hue 335). For subtle color combinations, use analogous colours #22E232 and #22D2E2. The triadic palette adds #9222E2 and #E29222 for vibrant variety.
- How do I use #21E293 in CSS?
- Use any format: color: #21e293; or rgb(33, 226, 147); or hsl(155, 77%, 51%). For CSS custom properties: --color-primary: 155 77% 51%; 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.