#EFF8BB#EFF8BB

#EFF8BB is a very light, moderate yellow. Relative luminance 0.891; OKLCH L 95.8% C 0.079 H 114.7°. Best body text is #000000 at 18.81:1 contrast (WCAG AA passes).

Color values

HEX#EFF8BB
RGBrgb(239, 248, 187)
HSLhsl(69, 81%, 85%)
HSVhsv(69, 25%, 97%)
CMYKcmyk(3.6%, 0%, 24.6%, 2.7%)
CIE-LABlab(95.61, -12.70, 28.39)
CIE-LCHlch(95.61, 31.10, 114.10°)
OKLaboklab(95.77% -0.0331 0.0718)
OKLCHoklch(95.77% 0.079 114.7)
XYZxyz(78.1332, 89.0739, 60.0809)
Luminance0.8907 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#EFF8BB #C4BBF8
analogous
#F8E2BB #EFF8BB #D1F8BB
triadic
#EFF8BB #BBEFF8 #F8BBEF
tetradic
#EFF8BB #BBF8E2 #C4BBF8 #F8BBD1
square
#EFF8BB #BBF8E2 #C4BBF8 #F8BBD1
split-complementary
#EFF8BB #BBD1F8 #E2BBF8
monochromatic
#D5ED4C #E2F284 #EFF8BB #F8FCE3 #F8FCE3

Accessibility & contrast

On white

1.12
#EFF8BB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

18.81
#EFF8BB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF8BB
18.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##EFF8BB#FFFFFF#000000##000000
##EFF8BB1.001.1218.8118.81
#FFFFFF1.121.0021.0021.00
#00000018.8121.001.001.00
##00000018.8121.001.001.00

Color blindness preview

Protanopia (red-blind)
#FFF2B7
Deuteranopia (green-blind)
#FFF3BD
Tritanopia (blue-blind)
#F6F1E8
Achromatopsia (no color)
#F2F2F2

Design tokens & code

CSS
--color: #eff8bb;
/* rgb */ color: rgb(239, 248, 187);
/* oklch */ color: oklch(95.8% 0.079 114.7);
Tailwind
colors: {
  custom: {
    50: '#f4facf',
    500: '#eff8bb',
    950: '#000000',
  },
}
SCSS
$custom: #eff8bb;
$custom-light: #f4facf;
$custom-dark: #000000;
JSON
{
  "hex": "#eff8bb",
  "rgb": {
    "r": 239,
    "g": 248,
    "b": 187
  },
  "hsl": {
    "h": 68.852,
    "s": 81.333,
    "l": 85.294
  },
  "oklch": {
    "l": 0.95765,
    "c": 0.07904,
    "h": 114.7
  },
  "luminance": 0.89073
}

Semantic roles & 50–950 ramp

primary
#EFF8BB
secondary
#8A7CDB
accent
#08DE27
background
#FFFFFE
surface
#FEFFFB
border
#D6D7D4
text
#171714
muted
#858583

Preview Lab

Preview with #EFF8BB

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

Preview Lab → · Contrast checker → · Palette generator →

#EFF8BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva