#EFF78B#EFF78B

#EFF78B is a very light, vivid yellow. Relative luminance 0.867; OKLCH L 94.7% C 0.132 H 112.4°. Best body text is #000000 at 18.35:1 contrast (WCAG AA passes).

Color values

HEX	#EFF78B
RGB	rgb(239, 247, 139)
HSL	hsl(64, 87%, 76%)
HSV	hsv(64, 44%, 97%)
CMYK	cmyk(3.2%, 0%, 43.7%, 3.1%)
CIE-LAB	lab(94.63, -17.86, 50.81)
CIE-LCH	lch(94.63, 53.86, 109.37°)
OKLab	oklab(94.74% -0.0503 0.1222)
OKLCH	oklch(94.74% 0.132 112.4)
XYZ	xyz(73.5186, 86.7375, 37.2902)
Luminance	0.8674 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF78B #938BF7

analogous

#F7C98B #EFF78B #B9F78B

triadic

#EFF78B #8BEFF7 #F78BEF

tetradic

#EFF78B #8BF7C9 #938BF7 #F78BB9

square

#EFF78B #8BF7C9 #938BF7 #F78BB9

split-complementary

#EFF78B #8BB9F7 #C98BF7

monochromatic

#DFEF18 #E7F352 #EFF78B #F7FBC4 #FBFDE2

Accessibility & contrast

On white

1.14

#EFF78B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.35

#EFF78B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF78B

18.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF78B	#FFFFFF	#000000	##000000
##EFF78B	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)

#FFEE82

Deuteranopia (green-blind)

#FFF190

Tritanopia (blue-blind)

#FBECDD

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #eff78b;
/* rgb */ color: rgb(239, 247, 139);
/* oklch */ color: oklch(94.7% 0.132 112.4);

Tailwind

colors: {
  custom: {
    50: '#f6f9af',
    500: '#eff78b',
    950: '#000000',
  },
}

SCSS

$custom: #eff78b;
$custom-light: #f6f9af;
$custom-dark: #000000;

JSON

{
  "hex": "#eff78b",
  "rgb": {
    "r": 239,
    "g": 247,
    "b": 139
  },
  "hsl": {
    "h": 64.444,
    "s": 87.097,
    "l": 75.686
  },
  "oklch": {
    "l": 0.94744,
    "c": 0.13208,
    "h": 112.4
  },
  "luminance": 0.86736
}

Semantic roles & 50–950 ramp

primary

#EFF78B

secondary

#5B51D5

accent

#02E413

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFF78B

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

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