Color #213B2D Color / Colour Code #213B2D
This page shows the hex color code for color #213b2d (#213B2D). The colour is a green tone with 28% saturation and 18% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #213B2D against common backgrounds.
Complementary Colors
#213B2D paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 118, 148, and 178 degrees for harmonious combinations.
Triadic Palette
Three colors at 148, 268, and 28 degrees.
Color Palettes Using #213B2D
Five shades at lightness levels 15% through 85% while keeping hue at 148 and saturation at 28%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 148 to 193 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 148 with its complement at 328 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 #213B2D
Lightness variations at hue 148 and 28% saturation.
CSS Gradients with #213B2D
Design Use Cases for #213B2D
Muted Accent Color
With 28% saturation, #213B2D has a subtle, sophisticated quality. This level of desaturation works well for secondary buttons, inactive states, subtle borders, and backgrounds that need a hint of color without being distracting. Muted colors communicate restraint and professionalism.
Deep Accent & Text Color
#213B2D at 18% lightness is dark enough for readable body text on light backgrounds while retaining its green character. Use for headings, emphasized text, or deep accent borders. It provides contrast without the harshness of pure black.
Success & Growth Indicators
#213B2D falls in the green range (hue 148). 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 #213B2D (hue 148) to its complement at hue 328. For a subtler effect, try pairing with an analogous color at hue 178. Use CSS: background: linear-gradient(135deg, #213b2d, #3b212f);
CSS Code for #213B2D
Similar Colors
Colors visually similar to #213B2D based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #213B2D across image editing and color design tools.
About Color #213B2D (#213B2D)
#213B2D is a green color (colour) with RGB channel values of 33 red, 59 green, and 45 blue. The green channel is dominant with a relatively balanced channel distribution. In HSL terms, the hue sits at 148 degrees with 28% saturation and 18% lightness, placing it in the neutral-to-cool range of the colour spectrum.
The perceived brightness of #213B2D is 50/255 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 44% cyan, 0% magenta, 24% yellow, and 77% key (black).
The WCAG contrast ratio of #213B2D against white is 12.15:1 and against black is 1.73:1. This exceeds the AAA requirement (7:1) for normal text on white, making it excellent for body text and small UI labels on light backgrounds.
The complementary colour #3B212F creates maximum visual tension when paired with #213B2D. For more harmonious color combinations, use the analogous colours #223B21 and #213B3A, 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 #213B2D
- 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 #213B2D?
- #213B2D is Color #213B2D, a green color (colour) with RGB(33, 59, 45), HSL(148, 28%, 18%), and CMYK(44%, 0%, 24%, 77%). Its perceived brightness is 50/255.
- Is #213B2D accessible for text?
- Against white, #213B2D has a contrast ratio of 12.15:1 (passes AA for normal text). Against black, it has 1.73:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #213B2D?
- The complementary colour is #3B212F (hue 328). For subtle color combinations, use analogous colours #223B21 and #213B3A. The triadic palette adds #2D213B and #3B2D21 for vibrant variety.
- How do I use #213B2D in CSS?
- Use any format: color: #213b2d; or rgb(33, 59, 45); or hsl(148, 28%, 18%). For CSS custom properties: --color-primary: 148 28% 18%; 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.