#EFFB7C#EFFB7C

#EFFB7C is a very light, vivid yellow. Relative luminance 0.888; OKLCH L 95.4% C 0.151 H 113.7°. Best body text is #000000 at 18.76:1 contrast (WCAG AA passes).

Color values

HEX#EFFB7C
RGBrgb(239, 251, 124)
HSLhsl(66, 94%, 74%)
HSVhsv(66, 51%, 98%)
CMYKcmyk(4.8%, 0%, 50.6%, 1.6%)
CIE-LABlab(95.50, -21.17, 58.82)
CIE-LCHlch(95.50, 62.52, 109.79°)
OKLaboklab(95.38% -0.061 0.1387)
OKLCHoklch(95.38% 0.151 113.7)
XYZxyz(73.7332, 88.8015, 32.3211)
Luminance0.8880 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#EFFB7C #887CFB
analogous
#FBC77C #EFFB7C #AFFB7C
triadic
#EFFB7C #7CEFFB #FB7CEF
tetradic
#EFFB7C #7CFBC7 #887CFB #FB7CAF
square
#EFFB7C #7CFBC7 #887CFB #FB7CAF
split-complementary
#EFFB7C #7CAFFB #C77CFB
monochromatic
#DFF507 #E8F941 #EFFB7C #F6FDB7 #FBFEE1

Accessibility & contrast

On white

1.12
#EFFB7C on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

18.76
#EFFB7C on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFB7C
18.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##EFFB7C#FFFFFF#000000##000000
##EFFB7C1.001.1218.7618.76
#FFFFFF1.121.0021.0021.00
#00000018.7621.001.001.00
##00000018.7621.001.001.00

Color blindness preview

Protanopia (red-blind)
#FFF170
Deuteranopia (green-blind)
#FFF383
Tritanopia (blue-blind)
#FCEFDE
Achromatopsia (no color)
#F2F2F2

Design tokens & code

CSS
--color: #effb7c;
/* rgb */ color: rgb(239, 251, 124);
/* oklch */ color: oklch(95.4% 0.151 113.7);
Tailwind
colors: {
  custom: {
    50: '#f6fca5',
    500: '#effb7c',
    950: '#000000',
  },
}
SCSS
$custom: #effb7c;
$custom-light: #f6fca5;
$custom-dark: #000000;
JSON
{
  "hex": "#effb7c",
  "rgb": {
    "r": 239,
    "g": 251,
    "b": 124
  },
  "hsl": {
    "h": 65.669,
    "s": 94.074,
    "l": 73.529
  },
  "oklch": {
    "l": 0.95383,
    "c": 0.15147,
    "h": 113.7
  },
  "luminance": 0.888
}

Semantic roles & 50–950 ramp

primary
#EFFB7C
secondary
#5143D8
accent
#00E616
background
#FFFFFC
surface
#FFFFF6
border
#D7D7D0
text
#17170F
muted
#858580

Preview Lab

Preview with #EFFB7C

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

Preview Lab → · Contrast checker → · Palette generator →

#EFFB7C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva