#EFBB40#EFBB40

#EFBB40 is a light, vivid orange. Relative luminance 0.543; OKLCH L 81.8% C 0.146 H 84.8°. Best body text is #000000 at 11.85:1 contrast (WCAG AA passes).

Color values

HEX#EFBB40
RGBrgb(239, 187, 64)
HSLhsl(42, 85%, 59%)
HSVhsv(42, 73%, 94%)
CMYKcmyk(0%, 21.8%, 73.2%, 6.3%)
CIE-LABlab(78.62, 7.04, 66.02)
CIE-LCHlch(78.62, 66.40, 83.91°)
OKLaboklab(81.83% 0.0132 0.1459)
OKLCHoklch(81.83% 0.146 84.8)
XYZxyz(54.2957, 54.2653, 12.4640)
Luminance0.5426 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#EFBB40 #4074EF
analogous
#EF6340 #EFBB40 #CCEF40
triadic
#EFBB40 #40EFBB #BB40EF
tetradic
#EFBB40 #40EF63 #4074EF #EF40CC
square
#EFBB40 #40EF63 #4074EF #EF40CC
split-complementary
#EFBB40 #40CCEF #6340EF
monochromatic
#A7790E #DFA213 #EFBB40 #F4CF78 #F8E3B1

Accessibility & contrast

On white

1.77
#EFBB40 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.85
#EFBB40 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFBB40
11.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##EFBB40#FFFFFF#000000##000000
##EFBB401.001.7711.8511.85
#FFFFFF1.771.0021.0021.00
#00000011.8521.001.001.00
##00000011.8521.001.001.00

Color blindness preview

Protanopia (red-blind)
#D2BB2D
Deuteranopia (green-blind)
#DEC846
Tritanopia (blue-blind)
#FFAAA2
Achromatopsia (no color)
#C3C3C3

Design tokens & code

CSS
--color: #efbb40;
/* rgb */ color: rgb(239, 187, 64);
/* oklch */ color: oklch(81.8% 0.146 84.8);
Tailwind
colors: {
  custom: {
    50: '#f9cf7c',
    500: '#efbb40',
    950: '#000000',
  },
}
SCSS
$custom: #efbb40;
$custom-light: #f9cf7c;
$custom-dark: #000000;
JSON
{
  "hex": "#efbb40",
  "rgb": {
    "r": 239,
    "g": 187,
    "b": 64
  },
  "hsl": {
    "h": 42.171,
    "s": 84.541,
    "l": 59.412
  },
  "oklch": {
    "l": 0.81828,
    "c": 0.14646,
    "h": 84.8
  },
  "luminance": 0.54262
}

Semantic roles & 50–950 ramp

primary
#EFBB40
secondary
#2B50A8
accent
#6AFB2D
background
#FFFEFB
surface
#FFFAF2
border
#D7D3CC
text
#18130A
muted
#86837D

Preview Lab

Preview with #EFBB40

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#EFBB40 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva