#EFF18E#EFF18E

#EFF18E is a very light, vivid yellow. Relative luminance 0.832; OKLCH L 93.5% C 0.122 H 109.6°. Best body text is #000000 at 17.64:1 contrast (WCAG AA passes).

Color values

HEX#EFF18E
RGBrgb(239, 241, 142)
HSLhsl(61, 78%, 75%)
HSVhsv(61, 41%, 95%)
CMYKcmyk(0.8%, 0%, 41.1%, 5.5%)
CIE-LABlab(93.11, -14.64, 47.48)
CIE-LCHlch(93.11, 49.69, 107.14°)
OKLaboklab(93.55% -0.0408 0.1149)
OKLCHoklch(93.55% 0.122 109.6)
XYZxyz(71.9355, 83.2157, 37.8587)
Luminance0.8321 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#EFF18E #908EF1
analogous
#F1C18E #EFF18E #BEF18E
triadic
#EFF18E #8EEFF1 #F18EEF
tetradic
#EFF18E #8EF1C1 #908EF1 #F18EBE
square
#EFF18E #8EF1C1 #908EF1 #F18EBE
split-complementary
#EFF18E #8EBEF1 #C18EF1
monochromatic
#E0E421 #E7EA58 #EFF18E #F7F8C4 #FBFCE4

Accessibility & contrast

On white

1.19
#EFF18E on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

17.64
#EFF18E on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF18E
17.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##EFF18E#FFFFFF#000000##000000
##EFF18E1.001.1917.6417.64
#FFFFFF1.191.0021.0021.00
#00000017.6421.001.001.00
##00000017.6421.001.001.00

Color blindness preview

Protanopia (red-blind)
#FFE986
Deuteranopia (green-blind)
#FFED93
Tritanopia (blue-blind)
#FBE6D9
Achromatopsia (no color)
#EBEBEB

Design tokens & code

CSS
--color: #eff18e;
/* rgb */ color: rgb(239, 241, 142);
/* oklch */ color: oklch(93.5% 0.122 109.6);
Tailwind
colors: {
  custom: {
    50: '#f6f5b0',
    500: '#eff18e',
    950: '#000000',
  },
}
SCSS
$custom: #eff18e;
$custom-light: #f6f5b0;
$custom-dark: #000000;
JSON
{
  "hex": "#eff18e",
  "rgb": {
    "r": 239,
    "g": 241,
    "b": 142
  },
  "hsl": {
    "h": 61.212,
    "s": 77.953,
    "l": 75.098
  },
  "oklch": {
    "l": 0.93547,
    "c": 0.12192,
    "h": 109.6
  },
  "luminance": 0.83214
}

Semantic roles & 50–950 ramp

primary
#EFF18E
secondary
#5856CD
accent
#0BDA0F
background
#FFFFFD
surface
#FFFEF7
border
#D7D6D0
text
#171711
muted
#858581

Preview Lab

Preview with #EFF18E

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

Preview Lab → · Contrast checker → · Palette generator →

#EFF18E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva