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#d9ef1f

a balanced, electric yellow · cool · closest name: yellow

RGB
217, 239, 31
HSL
66°, 87%, 53%
CMYK
9, 0, 87, 6
Luminance
0.7658

Every format

HEX#d9ef1f
RGBrgb(217, 239, 31)
HSLhsl(66, 87%, 53%)
CMYKcmyk(9%, 0%, 87%, 6%)
LABlab(90.1 -29.2 84.7)
LCHlch(90.1 89.6 109.0)
OKLCHoklch(0.905 0.202 116.4)

Copy-ready code

/* CSS */
color: #d9ef1f;
background-color: #d9ef1f;
/* Tailwind (arbitrary) */
class="text-[#d9ef1f] bg-[#d9ef1f]"
/* SCSS */
$brand: #d9ef1f;
/* SwiftUI */
Color(red: 0.851, green: 0.937, blue: 0.122)
/* Android */
Color.parseColor("#d9ef1f")

Accessibility — WCAG contrast

Aa
#d9ef1f on white: 1.29:1
AA ✗ fail · AA-large · AAA
Aa
#d9ef1f on black: 16.32:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red85.1%
Green93.7%
Blue12.2%

CMYK percentages

Cyan9.2%
Magenta0.0%
Yellow87.0%
Key (black)6.3%

Color previews

#d9ef1f text on a black background

contrast 16.32:1

Card sample

#d9ef1f text on a white background

contrast 1.29:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #d9ef1f;
Background color
Panel with #d9ef1f background
background-color: #d9ef1f;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #d9ef1f;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(217, 239, 31, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(217, 239, 31, 0.45);
Border & gradient
Gradient panel
border: 3px solid #d9ef1f;
background: linear-gradient(135deg, #d9ef1f, #4EEF1F);

Monochromatic scale

Palettes built from #d9ef1f

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #d9ef1f in the Color Lab