#EFF78D#EFF78D

#EFF78D is a very light, vivid yellow. Relative luminance 0.868; OKLCH L 94.8% C 0.130 H 112.4°. Best body text is #000000 at 18.36:1 contrast (WCAG AA passes).

Color values

HEX	#EFF78D
RGB	rgb(239, 247, 141)
HSL	hsl(65, 87%, 76%)
HSV	hsv(65, 43%, 97%)
CMYK	cmyk(3.2%, 0%, 42.9%, 3.1%)
CIE-LAB	lab(94.65, -17.67, 49.89)
CIE-LCH	lch(94.65, 52.92, 109.50°)
OKLab	oklab(94.77% -0.0495 0.1202)
OKLCH	oklch(94.77% 0.13 112.4)
XYZ	xyz(73.6661, 86.7965, 38.0669)
Luminance	0.8679 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF78D #958DF7

analogous

#F7CA8D #EFF78D #BAF78D

triadic

#EFF78D #8DEFF7 #F78DEF

tetradic

#EFF78D #8DF7CA #958DF7 #F78DBA

square

#EFF78D #8DF7CA #958DF7 #F78DBA

split-complementary

#EFF78D #8DBAF7 #CA8DF7

monochromatic

#DFEF1B #E7F354 #EFF78D #F7FBC6 #FBFDE2

Accessibility & contrast

On white

1.14

#EFF78D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.36

#EFF78D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF78D

18.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF78D	#FFFFFF	#000000	##000000
##EFF78D	1.00	1.14	18.36	18.36
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.36	21.00	1.00	1.00
##000000	18.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE84

Deuteranopia (green-blind)

#FFF192

Tritanopia (blue-blind)

#FBECDE

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #eff78d;
/* rgb */ color: rgb(239, 247, 141);
/* oklch */ color: oklch(94.8% 0.130 112.4);

Tailwind

colors: {
  custom: {
    50: '#f6f9b0',
    500: '#eff78d',
    950: '#000000',
  },
}

SCSS

$custom: #eff78d;
$custom-light: #f6f9b0;
$custom-dark: #000000;

JSON

{
  "hex": "#eff78d",
  "rgb": {
    "r": 239,
    "g": 247,
    "b": 141
  },
  "hsl": {
    "h": 64.528,
    "s": 86.885,
    "l": 76.078
  },
  "oklch": {
    "l": 0.94772,
    "c": 0.13002,
    "h": 112.4
  },
  "luminance": 0.86795
}

Semantic roles & 50–950 ramp

primary

#EFF78D

secondary

#5D53D5

accent

#02E313

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171711

muted

#858581

Preview Lab

Preview with #EFF78D

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

Preview Lab → · Contrast checker → · Palette generator →