#EFF78E#EFF78E

#EFF78E is a very light, vivid yellow. Relative luminance 0.868; OKLCH L 94.8% C 0.129 H 112.4°. Best body text is #000000 at 18.36:1 contrast (WCAG AA passes).

Color values

HEX#EFF78E
RGBrgb(239, 247, 142)
HSLhsl(65, 87%, 76%)
HSVhsv(65, 43%, 97%)
CMYKcmyk(3.2%, 0%, 42.5%, 3.1%)
CIE-LABlab(94.66, -17.56, 49.42)
CIE-LCHlch(94.66, 52.45, 109.57°)
OKLaboklab(94.79% -0.0491 0.1193)
OKLCHoklch(94.79% 0.129 112.4)
XYZxyz(73.7408, 86.8264, 38.4605)
Luminance0.8682 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#EFF78E #968EF7
analogous
#F7CB8E #EFF78E #BBF78E
triadic
#EFF78E #8EEFF7 #F78EEF
tetradic
#EFF78E #8EF7CB #968EF7 #F78EBB
square
#EFF78E #8EF7CB #968EF7 #F78EBB
split-complementary
#EFF78E #8EBBF7 #CB8EF7
monochromatic
#DFEF1C #E7F355 #EFF78E #F7FBC7 #FBFDE2

Accessibility & contrast

On white

1.14
#EFF78E on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

18.36
#EFF78E on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF78E
18.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##EFF78E#FFFFFF#000000##000000
##EFF78E1.001.1418.3618.36
#FFFFFF1.141.0021.0021.00
#00000018.3621.001.001.00
##00000018.3621.001.001.00

Color blindness preview

Protanopia (red-blind)
#FFEE85
Deuteranopia (green-blind)
#FFF193
Tritanopia (blue-blind)
#FBECDE
Achromatopsia (no color)
#F0F0F0

Design tokens & code

CSS
--color: #eff78e;
/* rgb */ color: rgb(239, 247, 142);
/* oklch */ color: oklch(94.8% 0.129 112.4);
Tailwind
colors: {
  custom: {
    50: '#f6f9b1',
    500: '#eff78e',
    950: '#000000',
  },
}
SCSS
$custom: #eff78e;
$custom-light: #f6f9b1;
$custom-dark: #000000;
JSON
{
  "hex": "#eff78e",
  "rgb": {
    "r": 239,
    "g": 247,
    "b": 142
  },
  "hsl": {
    "h": 64.571,
    "s": 86.777,
    "l": 76.275
  },
  "oklch": {
    "l": 0.94786,
    "c": 0.12898,
    "h": 112.4
  },
  "luminance": 0.86825
}

Semantic roles & 50–950 ramp

primary
#EFF78E
secondary
#5E54D5
accent
#02E313
background
#FFFFFD
surface
#FFFFF8
border
#D7D7D1
text
#171711
muted
#858581

Preview Lab

Preview with #EFF78E

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

Preview Lab → · Contrast checker → · Palette generator →

#EFF78E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva