#EFF78C#EFF78C

#EFF78C is a very light, vivid yellow. Relative luminance 0.868; OKLCH L 94.8% C 0.131 H 112.4°. Best body text is #000000 at 18.35:1 contrast (WCAG AA passes).

Color values

HEX	#EFF78C
RGB	rgb(239, 247, 140)
HSL	hsl(64, 87%, 76%)
HSV	hsv(64, 43%, 97%)
CMYK	cmyk(3.2%, 0%, 43.3%, 3.1%)
CIE-LAB	lab(94.64, -17.77, 50.35)
CIE-LCH	lch(94.64, 53.39, 109.44°)
OKLab	oklab(94.76% -0.0499 0.1212)
OKLCH	oklch(94.76% 0.131 112.4)
XYZ	xyz(73.5920, 86.7669, 37.6768)
Luminance	0.8677 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF78C #948CF7

analogous

#F7C98C #EFF78C #B9F78C

triadic

#EFF78C #8CEFF7 #F78CEF

tetradic

#EFF78C #8CF7C9 #948CF7 #F78CB9

square

#EFF78C #8CF7C9 #948CF7 #F78CB9

split-complementary

#EFF78C #8CB9F7 #C98CF7

monochromatic

#DFEF1A #E7F353 #EFF78C #F7FBC5 #FBFDE2

Accessibility & contrast

On white

1.14

#EFF78C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.35

#EFF78C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF78C

18.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF78C	#FFFFFF	#000000	##000000
##EFF78C	1.00	1.14	18.35	18.35
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.35	21.00	1.00	1.00
##000000	18.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE83

Deuteranopia (green-blind)

#FFF191

Tritanopia (blue-blind)

#FBECDE

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #eff78c;
/* rgb */ color: rgb(239, 247, 140);
/* oklch */ color: oklch(94.8% 0.131 112.4);

Tailwind

colors: {
  custom: {
    50: '#f6f9af',
    500: '#eff78c',
    950: '#000000',
  },
}

SCSS

$custom: #eff78c;
$custom-light: #f6f9af;
$custom-dark: #000000;

JSON

{
  "hex": "#eff78c",
  "rgb": {
    "r": 239,
    "g": 247,
    "b": 140
  },
  "hsl": {
    "h": 64.486,
    "s": 86.992,
    "l": 75.882
  },
  "oklch": {
    "l": 0.94758,
    "c": 0.13105,
    "h": 112.4
  },
  "luminance": 0.86766
}

Semantic roles & 50–950 ramp

primary

#EFF78C

secondary

#5C52D5

accent

#02E413

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFF78C

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

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