#EFF778#EFF778

#EFF778 is a very light, vivid yellow. Relative luminance 0.862; OKLCH L 94.5% C 0.151 H 112.2°. Best body text is #000000 at 18.25:1 contrast (WCAG AA passes).

Color values

HEX	#EFF778
RGB	rgb(239, 247, 120)
HSL	hsl(64, 89%, 72%)
HSV	hsv(64, 51%, 97%)
CMYK	cmyk(3.2%, 0%, 51.4%, 3.1%)
CIE-LAB	lab(94.41, -19.59, 59.35)
CIE-LCH	lch(94.41, 62.50, 108.26°)
OKLab	oklab(94.5% -0.0569 0.1394)
OKLCH	oklch(94.5% 0.151 112.2)
XYZ	xyz(72.2490, 86.2297, 30.6037)
Luminance	0.8623 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF778 #8078F7

analogous

#F7C078 #EFF778 #AFF778

triadic

#EFF778 #78EFF7 #F778EF

tetradic

#EFF778 #78F7C0 #8078F7 #F778AF

square

#EFF778 #78F7C0 #8078F7 #F778AF

split-complementary

#EFF778 #78AFF7 #C078F7

monochromatic

#D9E70E #E8F43E #EFF778 #F6FAB2 #FCFDE2

Accessibility & contrast

On white

1.15

#EFF778 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.25

#EFF778 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF778

18.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF778	#FFFFFF	#000000	##000000
##EFF778	1.00	1.15	18.25	18.25
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.25	21.00	1.00	1.00
##000000	18.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED6C

Deuteranopia (green-blind)

#FFF17F

Tritanopia (blue-blind)

#FDEADA

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #eff778;
/* rgb */ color: rgb(239, 247, 120);
/* oklch */ color: oklch(94.5% 0.151 112.2);

Tailwind

colors: {
  custom: {
    50: '#f6f9a2',
    500: '#eff778',
    950: '#000000',
  },
}

SCSS

$custom: #eff778;
$custom-light: #f6f9a2;
$custom-dark: #000000;

JSON

{
  "hex": "#eff778",
  "rgb": {
    "r": 239,
    "g": 247,
    "b": 120
  },
  "hsl": {
    "h": 63.78,
    "s": 88.811,
    "l": 71.961
  },
  "oklch": {
    "l": 0.94501,
    "c": 0.1506,
    "h": 112.2
  },
  "luminance": 0.86228
}

Semantic roles & 50–950 ramp

primary

#EFF778

secondary

#4A41D3

accent

#00E50F

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#17170F

muted

#858580

Preview Lab

Preview with #EFF778

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

Preview Lab → · Contrast checker → · Palette generator →