#EFF888#EFF888

#EFF888 is a very light, vivid yellow. Relative luminance 0.873; OKLCH L 94.9% C 0.136 H 112.7°. Best body text is #000000 at 18.45:1 contrast (WCAG AA passes).

Color values

HEX	#EFF888
RGB	rgb(239, 248, 136)
HSL	hsl(65, 89%, 75%)
HSV	hsv(65, 45%, 97%)
CMYK	cmyk(3.6%, 0%, 45.2%, 2.7%)
CIE-LAB	lab(94.85, -18.64, 52.50)
CIE-LCH	lch(94.85, 55.71, 109.55°)
OKLab	oklab(94.91% -0.0527 0.1257)
OKLCH	oklch(94.91% 0.136 112.7)
XYZ	xyz(73.6090, 87.2643, 36.2538)
Luminance	0.8726 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF888 #9188F8

analogous

#F8C988 #EFF888 #B7F888

triadic

#EFF888 #88EFF8 #F888EF

tetradic

#EFF888 #88F8C9 #9188F8 #F888B7

square

#EFF888 #88F8C9 #9188F8 #F888B7

split-complementary

#EFF888 #88B7F8 #C988F8

monochromatic

#DFF114 #E7F54E #EFF888 #F7FBC2 #FBFDE2

Accessibility & contrast

On white

1.14

#EFF888 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.45

#EFF888 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF888

18.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF888	#FFFFFF	#000000	##000000
##EFF888	1.00	1.14	18.45	18.45
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.45	21.00	1.00	1.00
##000000	18.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEF7F

Deuteranopia (green-blind)

#FFF28E

Tritanopia (blue-blind)

#FBECDE

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #eff888;
/* rgb */ color: rgb(239, 248, 136);
/* oklch */ color: oklch(94.9% 0.136 112.7);

Tailwind

colors: {
  custom: {
    50: '#f6faad',
    500: '#eff888',
    950: '#000000',
  },
}

SCSS

$custom: #eff888;
$custom-light: #f6faad;
$custom-dark: #000000;

JSON

{
  "hex": "#eff888",
  "rgb": {
    "r": 239,
    "g": 248,
    "b": 136
  },
  "hsl": {
    "h": 64.821,
    "s": 88.889,
    "l": 75.294
  },
  "oklch": {
    "l": 0.9491,
    "c": 0.13632,
    "h": 112.7
  },
  "luminance": 0.87263
}

Semantic roles & 50–950 ramp

primary

#EFF888

secondary

#594ED6

accent

#00E612

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFF888

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

Preview Lab → · Contrast checker → · Palette generator →