#EFF06B#EFF06B

#EFF06B is a very light, vivid yellow. Relative luminance 0.817; OKLCH L 92.9% C 0.154 H 109.5°. Best body text is #000000 at 17.35:1 contrast (WCAG AA passes).

Color values

HEX#EFF06B
RGBrgb(239, 240, 107)
HSLhsl(60, 82%, 68%)
HSVhsv(60, 55%, 94%)
CMYKcmyk(0.4%, 0%, 55.4%, 5.9%)
CIE-LABlab(92.46, -17.22, 62.87)
CIE-LCHlch(92.46, 65.19, 105.32°)
OKLaboklab(92.9% -0.0515 0.1457)
OKLCHoklch(92.9% 0.155 109.5)
XYZxyz(69.4124, 81.7342, 26.0269)
Luminance0.8173 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#EFF06B #6C6BF0
analogous
#F0AE6B #EFF06B #ACF06B
triadic
#EFF06B #6BEFF0 #F06BEF
tetradic
#EFF06B #6BF0AE #6C6BF0 #F06BAC
square
#EFF06B #6BF0AE #6C6BF0 #F06BAC
split-complementary
#EFF06B #6BACF0 #AE6BF0
monochromatic
#CBCC15 #E9EA33 #EFF06B #F5F6A3 #FBFBDA

Accessibility & contrast

On white

1.21
#EFF06B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

17.35
#EFF06B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF06B
17.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##EFF06B#FFFFFF#000000##000000
##EFF06B1.001.2117.3517.35
#FFFFFF1.211.0021.0021.00
#00000017.3521.001.001.00
##00000017.3521.001.001.00

Color blindness preview

Protanopia (red-blind)
#FFE75D
Deuteranopia (green-blind)
#FFEB72
Tritanopia (blue-blind)
#FEE3D3
Achromatopsia (no color)
#E9E9E9

Design tokens & code

CSS
--color: #eff06b;
/* rgb */ color: rgb(239, 240, 107);
/* oklch */ color: oklch(92.9% 0.154 109.5);
Tailwind
colors: {
  custom: {
    50: '#f7f49a',
    500: '#eff06b',
    950: '#000000',
  },
}
SCSS
$custom: #eff06b;
$custom-light: #f7f49a;
$custom-dark: #000000;
JSON
{
  "hex": "#eff06b",
  "rgb": {
    "r": 239,
    "g": 240,
    "b": 107
  },
  "hsl": {
    "h": 60.451,
    "s": 81.595,
    "l": 68.039
  },
  "oklch": {
    "l": 0.92902,
    "c": 0.1545,
    "h": 109.5
  },
  "luminance": 0.81732
}

Semantic roles & 50–950 ramp

primary
#EFF06B
secondary
#3837C8
accent
#08DE09
background
#FFFFFC
surface
#FFFEF5
border
#D7D6CF
text
#18170E
muted
#86857F

Preview Lab

Preview with #EFF06B

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

Preview Lab → · Contrast checker → · Palette generator →

#EFF06B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva