Color #212A04 Color / Colour Code #212A04
This page shows the hex color code for color #212a04 (#212A04). The colour is a yellow tone with 83% saturation and 9% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #212A04 against common backgrounds.
Complementary Colors
#212A04 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 44, 74, and 104 degrees for harmonious combinations.
Triadic Palette
Three colors at 74, 194, and 314 degrees.
Color Palettes Using #212A04
Five shades at lightness levels 15% through 85% while keeping hue at 74 and saturation at 83%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 74 to 119 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 74 with its complement at 254 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 #212A04
Lightness variations at hue 74 and 83% saturation.
CSS Gradients with #212A04
Design Use Cases for #212A04
Vibrant Brand Color
#212A04 has a strong 83% 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.
Dark Mode Background
At just 9% lightness, #212A04 works as a dark mode background or overlay color. Dark backgrounds reduce eye strain in low-light environments and make bright accent colors pop. Pair with light text (minimum 4.5:1 contrast ratio) for readability.
Attention & Optimism
#212A04 is in the yellow spectrum (hue 74). Yellow attracts attention faster than any other color. Use it for warning labels, featured content markers, star ratings, and tooltip backgrounds. Pair with dark text since yellow often fails contrast checks against white.
Gradient Pairing
Create a gradient from #212A04 (hue 74) to its complement at hue 254. For a subtler effect, try pairing with an analogous color at hue 104. Use CSS: background: linear-gradient(135deg, #212a04, #0d042a);
CSS Code for #212A04
Similar Colors
Colors visually similar to #212A04 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #212A04 across image editing and color design tools.
About Color #212A04 (#212A04)
#212A04 is a yellow color (colour) with RGB channel values of 33 red, 42 green, and 4 blue. The green channel is dominant by a ratio of 10.5:1 over the weakest channel. In HSL terms, the hue sits at 74 degrees with 83% saturation and 9% lightness, placing it in the neutral-to-cool range of the colour spectrum.
The perceived brightness of #212A04 is 35/255 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 21% cyan, 0% magenta, 90% yellow, and 84% key (black).
The WCAG contrast ratio of #212A04 against white is 15.03:1 and against black is 1.40:1. 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 #0D042A creates maximum visual tension when paired with #212A04. For more harmonious color combinations, use the analogous colours #2A2004 and #0E2A04, 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 #212A04
- 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 #212A04?
- #212A04 is Color #212A04, a yellow color (colour) with RGB(33, 42, 4), HSL(74, 83%, 9%), and CMYK(21%, 0%, 90%, 84%). Its perceived brightness is 35/255.
- Is #212A04 accessible for text?
- Against white, #212A04 has a contrast ratio of 15.03:1 (passes AA for normal text). Against black, it has 1.40:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #212A04?
- The complementary colour is #0D042A (hue 254). For subtle color combinations, use analogous colours #2A2004 and #0E2A04. The triadic palette adds #04212A and #2A0421 for vibrant variety.
- How do I use #212A04 in CSS?
- Use any format: color: #212a04; or rgb(33, 42, 4); or hsl(74, 83%, 9%). For CSS custom properties: --color-primary: 74 83% 9%; 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.