#efff2c

Color #efff2c

A vivid, highly saturated medium yellow.

Closest named color Yellow #ffff00 · ΔE 9.1 Nearest Tailwind class lime-300 #bbf451 · ΔE 9.8

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#efff2c

RGB

rgb(239, 255, 44)

HSL

hsl(64.5, 100%, 58.6%)

HSV / HSB

hsv(64.5, 82.7%, 100%)

CMYK

cmyk(6.3%, 0%, 82.7%, 0%)

LAB

lab(96.02, -27.44, 87.64)

LCH

lch(96.02, 91.84, 107.39)

OKLCH

oklch(95.6%, 0.2071, 114.39)

HWB

hwb(64.5, 17.3%, 0%)

Harmony colors

Complementary

#3c2cff

Analogous

#ffa52c

#efff2c

#86ff2c

Triadic

#efff2c

#2cefff

#ff2cef

Split-complementary

#efff2c

#2c86ff

#a52cff

Tetradic

#efff2c

#2cff3c

#3c2cff

#ff2cef

Square

#efff2c

#2cffa5

#3c2cff

#ff2c86

Shades

Color #efff2c mixed toward black.

#e6f900

#b8c700

#8a9500

#5c6400

#2e3200

Tints

Color #efff2c mixed toward white.

#f2ff4f

#f4ff72

#f7ff95

#faffb9

#fcffdc

Tones

Color #efff2c mixed toward gray.

#e0ed3d

#d1dc4f

#c2ca61

#b3b972

#a4a784

Accessibility

Aa White text on this color

1.1:1

Aa Black text on this color

19.01:1

Black text reads better on this background (19.01:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#f6f68c · ΔE 9.2

Deuteranopia

#f5f499 · ΔE 11.3

Tritanopia

#f0b2ba · ΔE 50.6

Achromatopsia

#f4f4f4 · ΔE 30

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #efff2c;

Tailwind (arbitrary value)

bg-[#efff2c]

Related colors

Ivory #fffff0

Beige #f5f5dc

Light Goldenrod Yellow #fafad2

Light Yellow #ffffe0

Olive #808000

Yellow #ffff00

Frequently asked questions

#efff2c (#efff2c) is rgb(239, 255, 44) in RGB.

No, #efff2c is not web-safe. The nearest web-safe colors are among its tones and shades below.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #efff2c, or check how it holds up for accessibility.

Generate a palette → Check contrast