#EFFA6C#EFFA6C

#EFFA6C is a very light, vivid yellow. Relative luminance 0.878; OKLCH L 95.0% C 0.164 H 113.2°. Best body text is #000000 at 18.56:1 contrast (WCAG AA passes).

Color values

HEX#EFFA6C
RGBrgb(239, 250, 108)
HSLhsl(65, 93%, 70%)
HSVhsv(65, 57%, 98%)
CMYKcmyk(4.4%, 0%, 56.8%, 2%)
CIE-LABlab(95.08, -21.96, 65.38)
CIE-LCHlch(95.08, 68.97, 108.57°)
OKLaboklab(95% -0.0648 0.1511)
OKLCHoklch(95% 0.164 113.2)
XYZxyz(72.4906, 87.8060, 27.3140)
Luminance0.8780 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#EFFA6C #776CFA
analogous
#FABE6C #EFFA6C #A8FA6C
triadic
#EFFA6C #6CEFFA #FA6CEF
tetradic
#EFFA6C #6CFABE #776CFA #FA6CA8
square
#EFFA6C #6CFABE #776CFA #FA6CA8
split-complementary
#EFFA6C #6CA8FA #BE6CFA
monochromatic
#D3E408 #E9F831 #EFFA6C #F5FCA7 #FCFEE1

Accessibility & contrast

On white

1.13
#EFFA6C on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

18.56
#EFFA6C on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFA6C
18.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##EFFA6C#FFFFFF#000000##000000
##EFFA6C1.001.1318.5618.56
#FFFFFF1.131.0021.0021.00
#00000018.5621.001.001.00
##00000018.5621.001.001.00

Color blindness preview

Protanopia (red-blind)
#FFEF5D
Deuteranopia (green-blind)
#FFF274
Tritanopia (blue-blind)
#FDEDDB
Achromatopsia (no color)
#F1F1F1

Design tokens & code

CSS
--color: #effa6c;
/* rgb */ color: rgb(239, 250, 108);
/* oklch */ color: oklch(95.0% 0.164 113.2);
Tailwind
colors: {
  custom: {
    50: '#f7fb9b',
    500: '#effa6c',
    950: '#000000',
  },
}
SCSS
$custom: #effa6c;
$custom-light: #f7fb9b;
$custom-dark: #000000;
JSON
{
  "hex": "#effa6c",
  "rgb": {
    "r": 239,
    "g": 250,
    "b": 108
  },
  "hsl": {
    "h": 64.648,
    "s": 93.421,
    "l": 70.196
  },
  "oklch": {
    "l": 0.94998,
    "c": 0.16443,
    "h": 113.2
  },
  "luminance": 0.87805
}

Semantic roles & 50–950 ramp

primary
#EFFA6C
secondary
#4235D5
accent
#00E612
background
#FFFFFC
surface
#FFFFF5
border
#D7D7CF
text
#18170E
muted
#86857F

Preview Lab

Preview with #EFFA6C

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

Preview Lab → · Contrast checker → · Palette generator →

#EFFA6C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva