#EFEF46#EFEF46

#EFEF46 is a very light, vivid yellow. Relative luminance 0.805; OKLCH L 92.4% C 0.180 H 109.5°. Best body text is #000000 at 17.11:1 contrast (WCAG AA passes).

Color values

HEX#EFEF46
RGBrgb(239, 239, 70)
HSLhsl(60, 84%, 61%)
HSVhsv(60, 71%, 94%)
CMYKcmyk(0%, 0%, 70.7%, 6.3%)
CIE-LABlab(91.92, -18.93, 76.76)
CIE-LCHlch(91.92, 79.06, 103.85°)
OKLaboklab(92.39% -0.06 0.1697)
OKLCHoklch(92.39% 0.18 109.5)
XYZxyz(67.5710, 80.5279, 17.7772)
Luminance0.8053 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#EFEF46 #4646EF
analogous
#EF9A46 #EFEF46 #9AEF46
triadic
#EFEF46 #46EFEF #EF46EF
tetradic
#EFEF46 #46EF9A #4646EF #EF469A
square
#EFEF46 #46EF9A #4646EF #EF469A
split-complementary
#EFEF46 #469AEF #9A46EF
monochromatic
#ACAC0F #E4E414 #EFEF46 #F4F47E #F9F9B7

Accessibility & contrast

On white

1.23
#EFEF46 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

17.11
#EFEF46 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFEF46
17.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##EFEF46#FFFFFF#000000##000000
##EFEF461.001.2317.1117.11
#FFFFFF1.231.0021.0021.00
#00000017.1121.001.001.00
##00000017.1121.001.001.00

Color blindness preview

Protanopia (red-blind)
#FFE526
Deuteranopia (green-blind)
#FFEA53
Tritanopia (blue-blind)
#FFE0CE
Achromatopsia (no color)
#E8E8E8

Design tokens & code

CSS
--color: #efef46;
/* rgb */ color: rgb(239, 239, 70);
/* oklch */ color: oklch(92.4% 0.180 109.5);
Tailwind
colors: {
  custom: {
    50: '#f8f484',
    500: '#efef46',
    950: '#000000',
  },
}
SCSS
$custom: #efef46;
$custom-light: #f8f484;
$custom-dark: #000000;
JSON
{
  "hex": "#efef46",
  "rgb": {
    "r": 239,
    "g": 239,
    "b": 70
  },
  "hsl": {
    "h": 60,
    "s": 84.08,
    "l": 60.588
  },
  "oklch": {
    "l": 0.92386,
    "c": 0.17999,
    "h": 109.5
  },
  "luminance": 0.80526
}

Semantic roles & 50–950 ramp

primary
#EFEF46
secondary
#2D2DAD
accent
#05E105
background
#FFFFFC
surface
#FFFEF4
border
#D7D6CE
text
#18170C
muted
#86857F

Preview Lab

Preview with #EFEF46

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

Preview Lab → · Contrast checker → · Palette generator →

#EFEF46 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva