Color #12A58A Color / Colour Code #12A58A
This page shows the hex color code for color #12a58a (#12A58A). The colour is a cyan tone with 80% saturation and 36% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #12A58A against common backgrounds.
Complementary Colors
#12A58A paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 139, 169, and 199 degrees for harmonious combinations.
Triadic Palette
Three colors at 169, 289, and 49 degrees.
Color Palettes Using #12A58A
Five shades at lightness levels 15% through 85% while keeping hue at 169 and saturation at 80%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 169 to 214 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 169 with its complement at 349 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 #12A58A
Lightness variations at hue 169 and 80% saturation.
CSS Gradients with #12A58A
Design Use Cases for #12A58A
Vibrant Brand Color
#12A58A has a strong 80% 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, #12A58A 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
#12A58A is in the cyan spectrum (hue 169). 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 #12A58A (hue 169) to its complement at hue 349. For a subtler effect, try pairing with an analogous color at hue 199. Use CSS: background: linear-gradient(135deg, #12a58a, #a5122d);
CSS Code for #12A58A
Similar Colors
Colors visually similar to #12A58A based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #12A58A across image editing and color design tools.
About Color #12A58A (#12A58A)
#12A58A is a cyan color (colour) with RGB channel values of 18 red, 165 green, and 138 blue. The green channel is dominant by a ratio of 9.2:1 over the weakest channel. In HSL terms, the hue sits at 169 degrees with 80% saturation and 36% lightness, placing it in the neutral-to-cool range of the colour spectrum.
The perceived brightness of #12A58A is 118/255 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 89% cyan, 0% magenta, 16% yellow, and 35% key (black).
The WCAG contrast ratio of #12A58A against white is 3.10:1 and against black is 6.77:1. 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 6.77:1.
The complementary colour #A5122D creates maximum visual tension when paired with #12A58A. For more harmonious color combinations, use the analogous colours #12A541 and #1277A5, 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 #12A58A
- 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 #12A58A?
- #12A58A is Color #12A58A, a cyan color (colour) with RGB(18, 165, 138), HSL(169, 80%, 36%), and CMYK(89%, 0%, 16%, 35%). Its perceived brightness is 118/255.
- Is #12A58A accessible for text?
- Against white, #12A58A has a contrast ratio of 3.10:1 (fails AA for normal text). Against black, it has 6.77:1 (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 #12A58A?
- The complementary colour is #A5122D (hue 349). For subtle color combinations, use analogous colours #12A541 and #1277A5. The triadic palette adds #8A12A5 and #A58A12 for vibrant variety.
- How do I use #12A58A in CSS?
- Use any format: color: #12a58a; or rgb(18, 165, 138); or hsl(169, 80%, 36%). For CSS custom properties: --color-primary: 169 80% 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.