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#368421

a dark, vivid green · neutral · closest name: Forest Green

RGB
54, 132, 33
HSL
107°, 60%, 32%
CMYK
59, 0, 75, 48
Luminance
0.1740

At a glance

Every number on this page in one read: what #368421 is made of, how bright it looks, and which way it leans.

Hex
#368421
Hue
107°
green
Saturation
60%
vivid
Lightness
32%
dark
Brightness
52%
HSV value
Perceived
42%
weighted brightness
Luminance
0.1740
WCAG relative
Temperature
Neutral
57/100 cool
Color family
Green
Tone
Vivid
Best ink
White
4.69:1
Closest name
Forest Green
ΔE2000 2.9
Where it sits
Hue107° of 360°
Saturation60%
Lightness32%
Temperature
Warm ← → Cool57% cool

Reads neutral. Warm and cool siblings keep the same lightness, so you can swap one in without redoing your contrast maths.

Every format

HEX#368421
RGBrgb(54, 132, 33)
HSLhsl(107, 60%, 32%)
CMYKcmyk(59%, 0%, 75%, 48%)
LABlab(48.8 -42.7 43.7)
LCHlch(48.8 61.1 134.3)
OKLCHoklch(0.544 0.153 139.9)
Decimal3572769
Display P3color(display-p3 0.212 0.518 0.129)

Copy-ready code

/* CSS */
color: #368421;
background-color: #368421;
/* Tailwind (arbitrary) */
class="text-[#368421] bg-[#368421]"
/* SCSS */
$brand: #368421;
/* SwiftUI */
Color(red: 0.212, green: 0.518, blue: 0.129)
/* Android */
Color.parseColor("#368421")
/* Flutter */
Color(0xFF368421)
/* Python / OpenCV (BGR) */
(33, 132, 54)

Best text color

Only one of black and white can be right. This is the one, with the number that proves it.

Readable at a glance#ffffff on #368421 · 4.69:1
Use #ffffffAA at every size, AAA for large text only.
Aa
White text · 4.69:1 · recommended
AA pass · AA large pass · AAA fail
Aa
Black text · 4.48:1
AA fail · AA large pass · AAA fail
Reading the other direction: #368421 as text scores 4.69:1 on white and 4.48:1 on black.

Accessibility — WCAG contrast

Aa
#368421 on white: 4.69:1
AA ✓ pass · AA-large · AAA
Aa
#368421 on black: 4.48:1
AA ✗ fail · AA-large · AAA
true color
protanopia · #88780F
deuteranopia · #7E712B
tritanopia · #2D8071

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #368421 is pinned to step 800; the rest hold its hue and let saturation ease off at the extremes so the pale end never turns neon.

#F5FBF4
#ECF7E9
#D4EFCC
#B3E9A5
#8EDD78
#68D24B
#50C431
#43A329
#368421
#2A5F1B
#1A3B11
Base = 800Lightest = 50 · #F5FBF4Darkest = 950 · #1A3B11
:root {
  --brand-50: #F5FBF4;
  --brand-100: #ECF7E9;
  --brand-200: #D4EFCC;
  --brand-300: #B3E9A5;
  --brand-400: #8EDD78;
  --brand-500: #68D24B;
  --brand-600: #50C431;
  --brand-700: #43A329;
  --brand-800: #368421;
  --brand-900: #2A5F1B;
  --brand-950: #1A3B11;
  --brand: #368421;
  --brand-ink: #ffffff;
}

Colors that work with #368421

Not a palette — a role sheet. Each swatch answers one question you will hit while building the component.

Text on it#ffffff
White wins here
Surface#F6FAF4
Tinted page background
Border#C9EDC0
Hairlines and dividers
Muted text#5C9B4B
Captions on the surface
Accent#571E87
Second voice, not a rival
Dark variant#2A661A
Hover, pressed, headers
Light variant#EEFAEB
Selected rows, tints
Dark surface#172414
Dark-mode background
Light mode
Everything in its place

Surface, border, heading and body all derive from this one hue, so the screen stays coherent without a second palette.

Primary actionSecondaryBadge
Dark mode
Same hue, inverted

Lightness flips, hue holds. The accent stays the anchor in both themes.

Primary actionSecondaryAccent

How to use #368421

Derived from its contrast, chroma and lightness — not from taste.

Works well for
  • Body text and links on white
  • Primary buttons and calls to action
  • Focus rings, active and selected states
  • Headers, footers and dark-mode surfaces
  • Brand accents, badges and data highlights
Use with care
  • Full-page backgrounds — tiring over long sessions
  • Black text placed on it
  • Pairing with a same-lightness hue — edges vibrate

Similar colors

One move away from this hex in each direction. Every swatch is its own page.

Color relationships

The wheel positions with their names attached, so you can grab the one you actually need.

Complementary#6F2184
Analogous left#688421
Analogous right#21843E
Split-complement 1#3E2184
Split-complement 2#842168
Triadic 1#213684
Triadic 2#842136
Tetradic#216884

RGB percentages

Red21.2%
Green51.8%
Blue12.9%

CMYK percentages

Cyan59.1%
Magenta0.0%
Yellow75.0%
Key (black)48.2%

Color previews

#368421 text on a black background

contrast 4.48:1

Card sample

#368421 text on a white background

contrast 4.69:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #368421;
Background color
Panel with #368421 background
background-color: #368421;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #368421;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(54, 132, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(54, 132, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #368421;
background: linear-gradient(135deg, #368421, #21844E);

Monochromatic scale

Palettes built from #368421

Shades — darker

Tints — lighter

Color harmonies

Nearest named colors

Ranked with CIEDE2000 across all 139 CSS keywords. Under ΔE 2 the eye stops telling them apart; over ΔE 10 they are plainly different colors.

#368421 in the real world

Where a color in this family tends to land, and the interface roles it is usually asked to play.

Industries
SustainabilityFinanceHealth and wellnessAgriculture
Common UI roles
ButtonsLinksFocus statesCharts
Print note

Converts to four-color process without much drama. Proof it anyway.

#368421, answered

What color is #368421?

#368421 is a dark vivid green, closest to Forest Green (ΔE2000 2.9). It sits at 107° on the hue wheel with 60% saturation and 32% lightness, which reads as neutral.

What is the RGB value of #368421?

rgb(54, 132, 33) — 54 red, 132 green and 33 blue out of 255, or 21.2% / 51.8% / 12.9% by channel.

Is #368421 a light or a dark color?

It is a dark color. Relative luminance is 0.1740 and perceived brightness is 42%, so white text on it reaches 4.69:1.

Should I use black or white text on #368421?

White. It scores 4.69:1 against #368421, versus 4.48:1 for black — AA at any size.

What is the complementary color of #368421?

#6F2184 sits directly opposite on the wheel. Softer options are the split-complements #3E2184 and #842168, which give the same contrast with far less vibration.

What colors go well with #368421?

For interface work: #F6FAF4 as the surface, #C9EDC0 for borders, #5C9B4B for secondary text, #571E87 as an accent and #2A661A for hover and pressed states. For a palette, the analogous pair #688421 and #21843E stays calm, while #6F2184 is the loudest partner.

What is #368421 in CMYK for printing?

cmyk(59%, 0%, 75%, 48%). This is a screen-to-ink approximation — ask your printer for a proof before committing to a run.

Is #368421 warm or cool?

Neutral — it scores 57 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #5A8421; nudged cooler, #1F862F.

Work with #368421 in the Color Lab