#EFF78F#EFF78F

#EFF78F is a very light, vivid yellow. Relative luminance 0.869; OKLCH L 94.8% C 0.128 H 112.4°. Best body text is #000000 at 18.37:1 contrast (WCAG AA passes).

Color values

HEX	#EFF78F
RGB	rgb(239, 247, 143)
HSL	hsl(65, 87%, 76%)
HSV	hsv(65, 42%, 97%)
CMYK	cmyk(3.2%, 0%, 42.1%, 3.1%)
CIE-LAB	lab(94.68, -17.46, 48.96)
CIE-LCH	lch(94.68, 51.98, 109.63°)
OKLab	oklab(94.8% -0.0488 0.1183)
OKLCH	oklch(94.8% 0.128 112.4)
XYZ	xyz(73.8162, 86.8566, 38.8577)
Luminance	0.8686 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF78F #978FF7

analogous

#F7CB8F #EFF78F #BBF78F

triadic

#EFF78F #8FEFF7 #F78FEF

tetradic

#EFF78F #8FF7CB #978FF7 #F78FBB

square

#EFF78F #8FF7CB #978FF7 #F78FBB

split-complementary

#EFF78F #8FBBF7 #CB8FF7

monochromatic

#DFEF1D #E7F356 #EFF78F #F7FBC8 #FBFDE2

Accessibility & contrast

On white

1.14

#EFF78F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.37

#EFF78F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF78F

18.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF78F	#FFFFFF	#000000	##000000
##EFF78F	1.00	1.14	18.37	18.37
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.37	21.00	1.00	1.00
##000000	18.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE87

Deuteranopia (green-blind)

#FFF194

Tritanopia (blue-blind)

#FBECDE

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #eff78f;
/* rgb */ color: rgb(239, 247, 143);
/* oklch */ color: oklch(94.8% 0.128 112.4);

Tailwind

colors: {
  custom: {
    50: '#f6f9b1',
    500: '#eff78f',
    950: '#000000',
  },
}

SCSS

$custom: #eff78f;
$custom-light: #f6f9b1;
$custom-dark: #000000;

JSON

{
  "hex": "#eff78f",
  "rgb": {
    "r": 239,
    "g": 247,
    "b": 143
  },
  "hsl": {
    "h": 64.615,
    "s": 86.667,
    "l": 76.471
  },
  "oklch": {
    "l": 0.94801,
    "c": 0.12793,
    "h": 112.4
  },
  "luminance": 0.86855
}

Semantic roles & 50–950 ramp

primary

#EFF78F

secondary

#5F55D5

accent

#02E314

background

#FFFFFD

surface

#FFFFF8

border

#D7D7D1

text

#171711

muted

#858581

Preview Lab

Preview with #EFF78F

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

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