Nearest named color: Castleton Green
#204C19
#204C19
Nearest named
Castleton Green
Family
Green
Lightness
37.2%
Chroma
0.094
Hue angle
141.0°
Temperature
Neutral-leaning
Contrast on white
9.96:1 · AAA
Contrast on black
1.87:1 · Fail
Web-safe
#333300
CSS oklch()
37% 0.09 141

#204C19 is a deep, temperate green. On the Color Lab it reads organic and grounded, quietly premium. It carries a legible label as a UI accent and reproduces cleanly in print.

Palettes built on #204C19

Not just a swatch — here's how #204C19 works with other colors. Named schemes with #204C19 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Castleton Green leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.

Luxury Packaging Feature · 5 colors

Castleton Green carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.

Moody Editorial Color · 5 colors

Castleton Green adds the colour to this moody editorial scheme — charcoal and a mid-grey around it, a bone highlight, and a muted jewel accent drawn from Castleton Green.

Vintage Leather Lead · 5 colors

Castleton Green plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Minimal Editorial Surface · 5 colors

Castleton Green is the single accent in this high-contrast editorial system — set on near-white paper against near-black ink, with a warm grey and a desaturated tint of Castleton Green carrying the quiet middle.

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Color Lab

How #204C19 actually behaves in design work — read from its OKLCH lightness, chroma and hue, not just its raw numbers. Ten signals to help you decide where this color earns its place.

Warmth 50/100
Neutral
Balanced temperature — flexible, sits between warm and cool schemes.
Softness 33/100
Low
Middle-weight — neither delicate nor heavy.
Depth 62/100
High
Deep and grounding — anchors a layout, strong dark-mode base.
Naturalness 100/100
Very high
Organic, earthy character — at home in wellness, food and craft brands.
Vintage feel 57/100
Moderate
Faded, nostalgic quality — editorial, heritage and retro work.
Luxury 67/100
High
Restrained and premium — deep, quiet, high-end packaging and fashion.
Brand distinctiveness 36/100
Low
Recognisable but shares space with nearby hues.
UI accent fit 60/100
Moderate
Workable accent with care around contrast.
Surface fit 32/100
Low
Usable as a tinted surface in measured doses.
Print safety 79/100
High
Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #204C19

For UI
For branding
For interior
For fashion

UI roles & guardrails

Primary action Safe as a filled button with white label. AAA
Body text Passes on white at 16px and above. Pass
Large display Fine for headings 24px+ on white. Pass
Background Pair with white text at 10.0:1. Use
Subtle surface Use #CBE5C8 for cards and hover fills. Tint 80
Avoid beside #1A4D24 — the hue gap is too small to read as intentional. Clash

In real applications

Not a swatch to memorise — a color to build with. Here is #204C19 at work across the surfaces designers actually ship.

Website / UI
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Dashboard
Revenue
$48.2k ▲ 12%
Brand
AVELINE
Studio
Poster
Nov 14 · 8PM
NIGHT
MARKET
Packaging
BLOOM
Botanical Wash
250 ml
Interior

Scales

ShadesBase darkened in 10% steps
TintsBase lifted toward white
TonesSaturation removed, lightness held
Monochromatic scaleDesign-system ready, 50–900

Every model

Export

:root {
  --color-base: #204C19;
  --color-base-rgb: 32 76 25;
  --color-base-oklch: oklch(37.2% 0.094 141.0);
  --color-50: #F4FCF3;
  --color-100: #E3F5E0;
  --color-200: #C7EBC2;
  --color-300: #A0D897;
  --color-400: #7BC270;
  --color-500: #5AA64E;
  --color-600: #4A8042;
  --color-700: #395C33;
  --color-800: #283C24;
  --color-900: #1A2518;
  --color-on-base: #FFFFFF;
}