#EFF878#EFF878

#EFF878 is a very light, vivid yellow. Relative luminance 0.868; OKLCH L 94.7% C 0.152 H 112.6°. Best body text is #000000 at 18.37:1 contrast (WCAG AA passes).

Color values

HEX	#EFF878
RGB	rgb(239, 248, 120)
HSL	hsl(64, 90%, 72%)
HSV	hsv(64, 52%, 97%)
CMYK	cmyk(3.6%, 0%, 51.6%, 2.7%)
CIE-LAB	lab(94.67, -20.07, 59.66)
CIE-LCH	lch(94.67, 62.94, 108.59°)
OKLab	oklab(94.71% -0.0582 0.1401)
OKLCH	oklch(94.71% 0.152 112.6)
XYZ	xyz(72.5556, 86.8429, 30.7059)
Luminance	0.8684 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF878 #8178F8

analogous

#F8C178 #EFF878 #AFF878

triadic

#EFF878 #78EFF8 #F878EF

tetradic

#EFF878 #78F8C1 #8178F8 #F878AF

square

#EFF878 #78F8C1 #8178F8 #F878AF

split-complementary

#EFF878 #78AFF8 #C178F8

monochromatic

#DAE90C #E8F53E #EFF878 #F6FBB2 #FCFDE2

Accessibility & contrast

On white

1.14

#EFF878 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.37

#EFF878 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF878

18.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF878	#FFFFFF	#000000	##000000
##EFF878	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)

#FFEE6C

Deuteranopia (green-blind)

#FFF17F

Tritanopia (blue-blind)

#FDEBDB

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #eff878;
/* rgb */ color: rgb(239, 248, 120);
/* oklch */ color: oklch(94.7% 0.152 112.6);

Tailwind

colors: {
  custom: {
    50: '#f6faa2',
    500: '#eff878',
    950: '#000000',
  },
}

SCSS

$custom: #eff878;
$custom-light: #f6faa2;
$custom-dark: #000000;

JSON

{
  "hex": "#eff878",
  "rgb": {
    "r": 239,
    "g": 248,
    "b": 120
  },
  "hsl": {
    "h": 64.219,
    "s": 90.141,
    "l": 72.157
  },
  "oklch": {
    "l": 0.9471,
    "c": 0.15173,
    "h": 112.6
  },
  "luminance": 0.86842
}

Semantic roles & 50–950 ramp

primary

#EFF878

secondary

#4B40D4

accent

#00E610

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#17170F

muted

#858580

Preview Lab

Preview with #EFF878

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

Preview Lab → · Contrast checker → · Palette generator →