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#c5fd06

a balanced, electric green · warm · closest name: Green Yellow

RGB
197, 253, 6
HSL
74°, 98%, 51%
CMYK
22, 0, 98, 1
Luminance
0.8213

At a glance

Every number on this page in one read: what #c5fd06 is made of, how bright it looks, and which way it leans.

Hex
#c5fd06
Hue
74°
green
Saturation
98%
electric
Lightness
51%
balanced
Brightness
99%
HSV value
Perceived
87%
weighted brightness
Luminance
0.8213
WCAG relative
Temperature
Warm
36/100 cool
Color family
Green
Tone
Electric
Best ink
Black
17.43:1
Closest name
Green Yellow
ΔE2000 4.3
Where it sits
Hue74° of 360°
Saturation98%
Lightness51%
Temperature
Warm ← → Cool36% cool

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

Every format

HEX#c5fd06
RGBrgb(197, 253, 6)
HSLhsl(74, 98%, 51%)
CMYKcmyk(22%, 0%, 98%, 1%)
LABlab(92.6 -43.7 88.9)
LCHlch(92.6 99.1 116.2)
OKLCHoklch(0.922 0.229 124.3)
Decimal12975366
Display P3color(display-p3 0.773 0.992 0.024)

Copy-ready code

/* CSS */
color: #c5fd06;
background-color: #c5fd06;
/* Tailwind (arbitrary) */
class="text-[#c5fd06] bg-[#c5fd06]"
/* SCSS */
$brand: #c5fd06;
/* SwiftUI */
Color(red: 0.773, green: 0.992, blue: 0.024)
/* Android */
Color.parseColor("#c5fd06")
/* Flutter */
Color(0xFFC5FD06)
/* Python / OpenCV (BGR) */
(6, 253, 197)

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 #c5fd06 · 17.43:1
Use #000000AAA at every size.
Aa
White text · 1.21:1
AA fail · AA large fail · AAA fail
Aa
Black text · 17.43:1 · recommended
AA pass · AA large pass · AAA pass
Reading the other direction: #c5fd06 as text scores 1.21:1 on white and 17.43:1 on black.

Accessibility — WCAG contrast

Aa
#c5fd06 on white: 1.21:1
AA ✗ fail · AA-large · AAA
Aa
#c5fd06 on black: 17.43:1
AA ✓ pass · AA-large · AAA
true color
protanopia · #FFEC00
deuteranopia · #FFE936
tritanopia · #CFF0D7

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #c5fd06 is pinned to step 600; the rest hold its hue and let saturation ease off at the extremes so the pale end never turns neon.

#FBFEF1
#F6FCE3
#EEFBC1
#E5FE90
#D8FE58
#CBFD20
#c5fd06
#9DCA02
#7DA201
#5B7506
#394904
Base = 600Lightest = 50 · #FBFEF1Darkest = 950 · #394904
:root {
  --brand-50: #FBFEF1;
  --brand-100: #F6FCE3;
  --brand-200: #EEFBC1;
  --brand-300: #E5FE90;
  --brand-400: #D8FE58;
  --brand-500: #CBFD20;
  --brand-600: #c5fd06;
  --brand-700: #9DCA02;
  --brand-800: #7DA201;
  --brand-900: #5B7506;
  --brand-950: #394904;
  --brand: #c5fd06;
  --brand-ink: #000000;
}

Colors that work with #c5fd06

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#F9FAF4
Tinted page background
Border#E2EDC0
Hairlines and dividers
Muted text#899B4B
Captions on the surface
Accent#040AFF
Second voice, not a rival
Dark variant#627E01
Hover, pressed, headers
Light variant#F9FFE6
Selected rows, tints
Dark surface#212414
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 #c5fd06

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#3E06FD
Analogous left#FDBA06
Analogous right#4AFD06
Split-complement 1#064AFD
Split-complement 2#BA06FD
Triadic 1#06C5FD
Triadic 2#FD06C5
Tetradic#06FDBA

RGB percentages

Red77.3%
Green99.2%
Blue2.4%

CMYK percentages

Cyan22.1%
Magenta0.0%
Yellow97.6%
Key (black)0.8%

Color previews

#c5fd06 text on a black background

contrast 17.43:1

Card sample

#c5fd06 text on a white background

contrast 1.21:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #c5fd06;
Background color
Panel with #c5fd06 background
background-color: #c5fd06;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #c5fd06;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(197, 253, 6, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(197, 253, 6, 0.45);
Border & gradient
Gradient panel
border: 3px solid #c5fd06;
background: linear-gradient(135deg, #c5fd06, #20FD06);

Monochromatic scale

Palettes built from #c5fd06

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.

#c5fd06 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.

#c5fd06, answered

What color is #c5fd06?

#c5fd06 is a balanced electric green, closest to Green Yellow (ΔE2000 4.3). It sits at 74° on the hue wheel with 98% saturation and 51% lightness, which reads as warm.

What is the RGB value of #c5fd06?

rgb(197, 253, 6) — 197 red, 253 green and 6 blue out of 255, or 77.3% / 99.2% / 2.4% by channel.

Is #c5fd06 a light or a dark color?

It is a light color. Relative luminance is 0.8213 and perceived brightness is 87%, so black text on it reaches 17.43:1.

Should I use black or white text on #c5fd06?

Black. It scores 17.43:1 against #c5fd06, versus 1.21:1 for white — AAA at any size.

What is the complementary color of #c5fd06?

#3E06FD sits directly opposite on the wheel. Softer options are the split-complements #064AFD and #BA06FD, which give the same contrast with far less vibration.

What colors go well with #c5fd06?

For interface work: #F9FAF4 as the surface, #E2EDC0 for borders, #899B4B for secondary text, #040AFF as an accent and #627E01 for hover and pressed states. For a palette, the analogous pair #FDBA06 and #4AFD06 stays calm, while #3E06FD is the loudest partner.

What is #c5fd06 in CMYK for printing?

cmyk(22%, 0%, 98%, 1%). 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 #c5fd06 warm or cool?

Warm — it scores 36 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #FDDA06; nudged cooler, #6AFF04.

Work with #c5fd06 in the Color Lab