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#6dfb3b

a balanced, electric green · neutral · closest name: Lawn Green

RGB
109, 251, 59
HSL
104°, 96%, 61%
CMYK
57, 0, 77, 2
Luminance
0.7256

At a glance

Every number on this page in one read: what #6dfb3b is made of, how bright it looks, and which way it leans.

Hex
#6dfb3b
Hue
104°
green
Saturation
96%
electric
Lightness
61%
balanced
Brightness
98%
HSV value
Perceived
79%
weighted brightness
Luminance
0.7256
WCAG relative
Temperature
Neutral
56/100 cool
Color family
Green
Tone
Electric
Best ink
Black
15.51:1
Closest name
Lawn Green
ΔE2000 3
Where it sits
Hue104° of 360°
Saturation96%
Lightness61%
Temperature
Warm ← → Cool56% 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#6dfb3b
RGBrgb(109, 251, 59)
HSLhsl(104, 96%, 61%)
CMYKcmyk(57%, 0%, 77%, 2%)
LABlab(88.2 -69.7 74.3)
LCHlch(88.2 101.9 133.2)
OKLCHoklch(0.876 0.254 139.2)
Decimal7207739
Display P3color(display-p3 0.427 0.984 0.231)

Copy-ready code

/* CSS */
color: #6dfb3b;
background-color: #6dfb3b;
/* Tailwind (arbitrary) */
class="text-[#6dfb3b] bg-[#6dfb3b]"
/* SCSS */
$brand: #6dfb3b;
/* SwiftUI */
Color(red: 0.427, green: 0.984, blue: 0.231)
/* Android */
Color.parseColor("#6dfb3b")
/* Flutter */
Color(0xFF6DFB3B)
/* Python / OpenCV (BGR) */
(59, 251, 109)

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#000000 on #6dfb3b · 15.51:1
Use #000000AAA at every size.
Aa
White text · 1.35:1
AA fail · AA large fail · AAA fail
Aa
Black text · 15.51:1 · recommended
AA pass · AA large pass · AAA pass
Reading the other direction: #6dfb3b as text scores 1.35:1 on white and 15.51:1 on black.

Accessibility — WCAG contrast

Aa
#6dfb3b on white: 1.35:1
AA ✗ fail · AA-large · AAA
Aa
#6dfb3b on black: 15.51:1
AA ✓ pass · AA-large · AAA
true color
protanopia · #FFE500
deuteranopia · #F1D951
tritanopia · #5DF3D7

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #6dfb3b is pinned to step 500; the rest hold its hue and let saturation ease off at the extremes so the pale end never turns neon.

#F4FDF1
#EAFCE4
#D0FAC1
#ADFD91
#84FC5A
#6dfb3b
#42F005
#37C804
#2CA003
#237307
#164804
Base = 500Lightest = 50 · #F4FDF1Darkest = 950 · #164804
:root {
  --brand-50: #F4FDF1;
  --brand-100: #EAFCE4;
  --brand-200: #D0FAC1;
  --brand-300: #ADFD91;
  --brand-400: #84FC5A;
  --brand-500: #6dfb3b;
  --brand-600: #42F005;
  --brand-700: #37C804;
  --brand-800: #2CA003;
  --brand-900: #237307;
  --brand-950: #164804;
  --brand: #6dfb3b;
  --brand-ink: #000000;
}

Colors that work with #6dfb3b

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

Text on it#000000
Black wins here
Surface#F6FAF4
Tinted page background
Border#CBEDC0
Hairlines and dividers
Muted text#5F9B4B
Captions on the surface
Accent#9937FF
Second voice, not a rival
Dark variant#227D03
Hover, pressed, headers
Light variant#ECFEE6
Selected rows, tints
Dark surface#182414
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 #6dfb3b

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

Works well for
  • Text and icons on dark surfaces
  • Primary buttons and calls to action
  • Focus rings, active and selected states
  • Brand accents, badges and data highlights
Use with care
  • Text of any size on white — fails WCAG AA
  • Full-page backgrounds — tiring over long sessions
  • 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#C93BFB
Analogous left#CDFB3B
Analogous right#3BFB69
Split-complement 1#693BFB
Split-complement 2#FB3BCD
Triadic 1#3B6DFB
Triadic 2#FB3B6D
Tetradic#3BCDFB

RGB percentages

Red42.7%
Green98.4%
Blue23.1%

CMYK percentages

Cyan56.6%
Magenta0.0%
Yellow76.5%
Key (black)1.6%

Color previews

#6dfb3b text on a black background

contrast 15.51:1

Card sample

#6dfb3b text on a white background

contrast 1.35:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #6dfb3b;
Background color
Panel with #6dfb3b background
background-color: #6dfb3b;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #6dfb3b;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(109, 251, 59, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(109, 251, 59, 0.45);
Border & gradient
Gradient panel
border: 3px solid #6dfb3b;
background: linear-gradient(135deg, #6dfb3b, #3BFB89);

Monochromatic scale

Palettes built from #6dfb3b

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.

#6dfb3b 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

Sits outside most CMYK gamuts — expect a duller press result, or specify a spot ink.

#6dfb3b, answered

What color is #6dfb3b?

#6dfb3b is a balanced electric green, closest to Lawn Green (ΔE2000 3). It sits at 104° on the hue wheel with 96% saturation and 61% lightness, which reads as neutral.

What is the RGB value of #6dfb3b?

rgb(109, 251, 59) — 109 red, 251 green and 59 blue out of 255, or 42.7% / 98.4% / 23.1% by channel.

Is #6dfb3b a light or a dark color?

It is a light color. Relative luminance is 0.7256 and perceived brightness is 79%, so black text on it reaches 15.51:1.

Should I use black or white text on #6dfb3b?

Black. It scores 15.51:1 against #6dfb3b, versus 1.35:1 for white — AAA at any size.

What is the complementary color of #6dfb3b?

#C93BFB sits directly opposite on the wheel. Softer options are the split-complements #693BFB and #FB3BCD, which give the same contrast with far less vibration.

What colors go well with #6dfb3b?

For interface work: #F6FAF4 as the surface, #CBEDC0 for borders, #5F9B4B for secondary text, #9937FF as an accent and #227D03 for hover and pressed states. For a palette, the analogous pair #CDFB3B and #3BFB69 stays calm, while #C93BFB is the loudest partner.

What is #6dfb3b in CMYK for printing?

cmyk(57%, 0%, 77%, 2%). This is a screen-to-ink approximation — a color this saturated sits outside most CMYK gamuts and will print duller than it looks here.

Is #6dfb3b warm or cool?

Neutral — it scores 56 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #B3FB3B; nudged cooler, #39FD4E.

Work with #6dfb3b in the Color Lab