#EFF488#EFF488

#EFF488 is a very light, vivid yellow. Relative luminance 0.848; OKLCH L 94.1% C 0.132 H 111.0°. Best body text is #000000 at 17.97:1 contrast (WCAG AA passes).

Color values

HEX	#EFF488
RGB	rgb(239, 244, 136)
HSL	hsl(63, 83%, 75%)
HSV	hsv(63, 44%, 96%)
CMYK	cmyk(2%, 0%, 44.3%, 4.3%)
CIE-LAB	lab(93.81, -16.70, 51.23)
CIE-LCH	lch(93.81, 53.88, 108.06°)
OKLab	oklab(94.08% -0.0472 0.1229)
OKLCH	oklch(94.08% 0.132 111)
XYZ	xyz(72.3924, 84.8310, 35.8483)
Luminance	0.8483 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF488 #8D88F4

analogous

#F4C388 #EFF488 #B9F488

triadic

#EFF488 #88EFF4 #F488EF

tetradic

#EFF488 #88F4C3 #8D88F4 #F488B9

square

#EFF488 #88F4C3 #8D88F4 #F488B9

split-complementary

#EFF488 #88B9F4 #C388F4

monochromatic

#E0EA18 #E7EF50 #EFF488 #F7F9C0 #FBFCE3

Accessibility & contrast

On white

1.17

#EFF488 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.97

#EFF488 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF488

17.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF488	#FFFFFF	#000000	##000000
##EFF488	1.00	1.17	17.97	17.97
#FFFFFF	1.17	1.00	21.00	21.00
#000000	17.97	21.00	1.00	1.00
##000000	17.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB7F

Deuteranopia (green-blind)

#FFEF8D

Tritanopia (blue-blind)

#FCE8DA

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #eff488;
/* rgb */ color: rgb(239, 244, 136);
/* oklch */ color: oklch(94.1% 0.132 111.0);

Tailwind

colors: {
  custom: {
    50: '#f6f7ac',
    500: '#eff488',
    950: '#000000',
  },
}

SCSS

$custom: #eff488;
$custom-light: #f6f7ac;
$custom-dark: #000000;

JSON

{
  "hex": "#eff488",
  "rgb": {
    "r": 239,
    "g": 244,
    "b": 136
  },
  "hsl": {
    "h": 62.778,
    "s": 83.077,
    "l": 74.51
  },
  "oklch": {
    "l": 0.94081,
    "c": 0.13164,
    "h": 111
  },
  "luminance": 0.8483
}

Semantic roles & 50–950 ramp

primary

#EFF488

secondary

#5650D1

accent

#06DF10

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFF488

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

Preview Lab → · Contrast checker → · Palette generator →