Color Details and Palettes for #0F230B

Details about the color Nightmare

Closest web-safe match: #003300

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 #0F230B
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About Color Hex #0f230b

The color Nightmare, with hexadecimal code #0f230b, resides within the green color family, the hue most connected to nature, growth, and renewal. Green soothes the eye more than any other color, making it ideal for wellness, sustainability, and financial brands. Additionally, it evokes emotions such as Power, Elegance, Formality, Mystery and Authority. Green is often linked to nature and growth universally, and in some cultures, it symbolizes fertility, renewal, and even immortality. In Islam, green holds significant religious meaning. At 52% saturation, this color is clearly chromatic yet balanced—colorful enough to be distinctive without overwhelming adjacent content. At only 9% lightness, this extremely dark shade approaches black, delivering maximum drama and contrast when paired with lighter elements. This color is ideal for designs that aim to express Power, Elegance, Formality, Mystery, or Authority. It can be effectively used in web design, branding, and marketing materials to attract attention and convey specific messages.

The RGB values for Nightmare are (15, 35, 11), providing a combination of red: 15, green: 35, and blue: 11. In HSL format, it has a hue of 110.00°, saturation of 52.00%, and lightness of 9.00%.

The HSV representation includes a hue of 110.00°, saturation of 69.00%, and value of 14.00%. Its CMYK composition is cyan: 57.00%, magenta: 0.00%, yellow: 69.00%, and black: 86.00%.

The calculated luminance of #0f230b is 0.013, offering a brightness level suitable for various design requirements.

This color is not part of the web-safe color palette. The closest web-safe color to this is the color HEX #003300. Its contrast ratio is 1.27:1 against black and 16.59:1 against white. It works well on light backgrounds but may be challenging on darker ones.

In terms of color temperature, #0f230b reads as cool. When it comes to accessibility, testing against standard guidelines suggests that using white text meets typical WCAG contrast standards. Additionally, the ideal foreground color for improved legibility on #0f230b is white.

Considering its saturation and lightness, #0f230b appears more vivid and energetic, making it stand out in designs that aim to capture attention.

History, Usage, Psychology & Design Ideas for #0F230B

Nightmare (#0F230B) belongs to the Green color family.

This deep, saturated shade conveys authority and richness. Deep tones are favored in luxury packaging, evening-event branding, and dark-mode interfaces where they provide dramatic contrast against lighter elements.

Historical Background

Green pigments were notoriously difficult to produce until modern chemistry. Ancient Egyptians used malachite, while Scheele's Green (1775) and Paris Green contained lethal arsenic—reportedly sickening Napoleon in his green-wallpapered exile room. In Islam, green symbolizes paradise and is associated with the Prophet Muhammad. Celtic traditions link green to the fae realm and the untamed forces of nature.

Design & Usage Tips

Green is the universal signifier of nature, sustainability, and health. It dominates eco-brands, organic food labels, and wellness apps. Medium greens work as primary brand colors, while darker greens (forest, hunter) lend gravitas to financial and legal institutions. Pair green with earth tones for authenticity or with white for clinical freshness.

Sitting on the cool side of the spectrum (hue 110°), it promotes a feeling of calm distance and intellectual clarity, which is why cool hues dominate corporate identities, healthcare design, and productivity tools. With 52% saturation, it occupies a comfortable middle ground: colorful enough to be distinctive, yet restrained enough for extended reading or large surface areas.

Psychological Impact

Green is the easiest color for the human eye to process, which is why it feels restful and balancing. It lowers stress, encourages concentration, and symbolizes renewal. In UX, green universally signals success, completion, and safe-to-proceed actions.

At just 9% lightness, this is an extremely dark shade that approaches black. It is best reserved for text, thin borders, or dramatic full-bleed backgrounds paired with light typography.

Creative Design Ideas

Create depth with a dark-to-light green gradient background for nature-themed landing pages. Use forest green with gold serif typography for a classic, trustworthy brand identity. In data visualization, green represents positive trends, growth, and on-target metrics.

#0F230B Color Conversions

Every way to write Nightmare — copy Nightmare as RGB, HSL, HSV, HWB, CMYK, OKLCH, OKLab, CIELAB, LCH, XYZ or a decimal integer. One-tap copy on every format; tap on any card to learn what it is and when to use it.

12 formats
HEX Web
#0F230B

Hexadecimal is the web’s universal color notation — two digits each for red, green and blue. Drop it straight into HTML, CSS or any design tool.

RGB Screen
rgb(15, 35, 11)

RGB is the additive Red-Green-Blue model every screen uses to emit light. The default choice for websites, apps and on-screen UI.

HSL Web
hsl(110, 52%, 9%)

HSL breaks a color into Hue, Saturation and Lightness — the most intuitive way to lighten, darken or mute a color in CSS.

HSV HSB Design
hsv(110, 69%, 14%)

HSV (also called HSB) maps Hue, Saturation and Value/Brightness. It is the model behind the color pickers in Photoshop, Figma and most design apps.

HWB CSS 4
hwb(110 4% 86%)

HWB blends a pure hue with Whiteness and Blackness — a painter-friendly model added in CSS Color 4 for quick tints and shades.

CMYK Print
cmyk(57%, 0%, 69%, 86%)

CMYK is the subtractive Cyan-Magenta-Yellow-Black ink model. Use these values when preparing artwork for a printer or commercial press.

OKLCH Modern
oklch(23.19% 0.051 140.37)

OKLCH is a modern, perceptually-uniform space (Lightness, Chroma, Hue). It powers smooth gradients and accessible palettes in today’s CSS.

OKLab Modern
oklab(23.19% -0.039 0.032)

OKLab is the Cartesian form of OKLCH — ideal for blending and interpolating colors without the muddy midpoints older spaces produce.

CIELAB L*a*b* Perceptual
L: 11.47, a: -14.27, b: 12.23

CIELAB is a device-independent, perceptually-uniform space. It is the standard for measuring color difference (ΔE) and matching across devices.

LCH Perceptual
L: 11.47, C: 18.79, H: 139.42

LCH is CIELAB in cylindrical form — Lightness, Chroma and Hue — letting you adjust vividness and hue while staying perceptually even.

XYZ CIE Science
X: 0.86, Y: 1.33, Z: 0.53

CIE XYZ is the 1931 master space that underpins every other model here — the scientific bridge used to convert between color systems.

Decimal int Code
992011

The 24-bit integer value of the color — handy for databases, APIs, game engines and low-level graphics code.

RGB Color Percentages for #0f230b

RGB Color Percentages for Nightmare (HEX Code: #0f230b) display the relative contribution of Red, Green, and Blue in forming the color. Understanding these percentages provides insight into the color's visual balance and primary components.

This color is primarily dominated by Green, making up 57.38% of the total composition. The complete breakdown of RGB contributions is:

Red:
24.59%
Green:
57.38%
Blue:
18.03%

This analysis highlights the influence of each primary color, offering a deeper understanding of the visual characteristics of Nightmare.

CMYK Ink Levels & Print Guide for #0f230b

CMYK Ink Levels for Nightmare (HEX Code: #0f230b) provide a breakdown of the percentages of Cyan, Magenta, Yellow, and Black inks needed for accurate print reproduction. The composition of Nightmare prominently features Key, reflecting its dominant color characteristic. This information is invaluable for optimizing ink usage and achieving precise color results in printed materials.

The exact CMYK values are: Cyan: 57.14%, Magenta: 0%, Yellow: 68.57%, and Black: 86.27%.

Luminance & Contrast for #0F230B

Relative luminance gauges how bright Nightmare is, while the WCAG contrast ratios show how legible black or white text is on it — and which accessibility levels (AA / AAA) it passes.

Relative luminance 0.013
0 · dark1 · light
Aa
Black text 1.27:1
AA AAA Large
Aa
White text 16.59:1
AA AAA Large

Quick CSS Snippets for #0F230B

Copy-and-paste CSS for Nightmare — backgrounds, text, borders and a custom property. Each line is ready to drop into your stylesheet.

Background background-color: #0F230B;
Text color: #0F230B;
Border border: 2px solid #0F230B;
RGB background-color: rgb(15, 35, 11);
HSL background-color: hsl(110, 52%, 9%);
Variable --color: #0F230B;

#0f230b Monochrome Palette

The Monochrome Palette consists of shades created by adjusting the brightness. These include lighter, original, and darker shades of the color. This layout helps to visualize the color's range and its potential use in design.

#e7e9e7
#c3c8c2
#9fa79d
#7b8679
#576554
#334430
#0f230b Original
#0d1e09
#0b1908
#081306
#060e04
#040903
#020401

#0f230b Complementary Palette

The Complementary Palette is made up of two colors that sit opposite each other on the color wheel. These colors create high contrast and vibrant designs, making them perfect for attention-grabbing elements and dynamic visuals.

#0f230b Original
#1f0b23

#0f230b Analogic Palette

The Analogic Palette consists of colors that are next to each other on the color wheel. These colors typically create harmonious and subtle designs, often used to evoke calmness and unity in your visual projects.

#0f230b Original
#0b2313
#1b230b
#0b231f
#231f0b
#0b1b23
#23130b

#0f230b Triadic Palette

The Triadic Palette is made up of three colors evenly spaced on the color wheel. This combination provides a vibrant and balanced color scheme, often used for dynamic and energetic designs while maintaining harmony.

#0f230b Original
#0b0f23
#230b0f

#0f230b Quad Palette

The Quad Palette, also known as tetradic, consists of four colors evenly spaced on the color wheel. This combination offers a diverse and bold color scheme, ideal for creating rich, complex designs with multiple accents while still maintaining balance.

#0f230b Original
#0b1b23
#1f0b23
#23130b

Color Blindness Simulation for #0f230b

Colors are perceived differently by individuals with various forms of color blindness. Use the dropdown below to see how this color may look through the eyes of someone with color vision deficiency. Explore how Nightmare (#0f230b) might appear to people with different visual experiences, and gain deeper insights into color accessibility for your designs!

Each color box displays a "Friendly" or "Not Friendly" tag in the bottom-right corner. A "Friendly" tag indicates that the color difference is distinguishable to individuals with the specific type of color blindness. Conversely, a "Not Friendly" tag means that the color difference might not be distinguishable, potentially causing accessibility issues in your design.

Normal Vision

Deuteranopia (Green Weakness)

Friendly

Protanopia (Red Weakness)

Friendly

Tritanopia (Blue-Yellow Weakness)

Friendly

Achromatopsia (Total Color Blindness)

Friendly

Color Harmonies for #0f230b

Color harmonies refer to the visually pleasing combinations of colors that are derived from specific relationships on the color wheel. These harmonious schemes, such as complementary, triadic, and analogous colors, create a balanced and engaging visual experience in design.

Complementary

Analogous

Triadic

Tetradic (Quad)

#0F230B Nearby Colors

A handful of colors just a step away from #0F230B — each one nudges the brightness, richness, or shade a little while still feeling like the same color. Use the buttons on any swatch to copy its hex or open its full color page.

#223311 Darkest Forest
#001100 Cosmic Bit Flip
#224422 Myrtle
#002200 Haunted Forest
#112211 Nightmare
#002211 Nightmare
#112200 Lindworm Green
#222200 Midnight Pines

Colors Similar to #0f230b

These colors are close neighbours of #0F230B in the RGB color space. Each subtle variation can produce a noticeably different mood in your design while remaining harmonious with the original Green tone.

#10230b Nightmare
#0f240b Midnight Pines
#0f230c Nightmare
#0e230b Nightmare
#0f220b Nightmare
#0f230a Nightmare
#20230b Midnight Pines
#0f340b Melancholia
#0f231c Nightmare
#00230b Haunted Forest
#0f120b Glimpse Into Space
#0f2300 Lindworm Green

Looking for more Green shades? Browse Green colors →

Explore Vibrant Images Featuring Nightmare (#0f230b)

Discover a vibrant gallery of images that not only showcase the captivating hue of Nightmare, but also embody its unique mood and personality. Each carefully curated photo is selected to highlight the richness and diversity of this color, offering inspiration for design, art, and creative projects.