#EFFB89#EFFB89

#EFFB89 is a very light, vivid yellow. Relative luminance 0.892; OKLCH L 95.5% C 0.139 H 114.0°. Best body text is #000000 at 18.83:1 contrast (WCAG AA passes).

Color values

HEX	#EFFB89
RGB	rgb(239, 251, 137)
HSL	hsl(66, 93%, 76%)
HSV	hsv(66, 45%, 98%)
CMYK	cmyk(4.8%, 0%, 45.4%, 1.6%)
CIE-LAB	lab(95.64, -19.99, 53.00)
CIE-LCH	lch(95.64, 56.64, 110.66°)
OKLab	oklab(95.55% -0.0565 0.1269)
OKLCH	oklch(95.55% 0.139 114)
XYZ	xyz(74.6101, 89.1523, 36.9398)
Luminance	0.8915 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFB89 #9589FB

analogous

#FBCE89 #EFFB89 #B6FB89

triadic

#EFFB89 #89EFFB #FB89EF

tetradic

#EFFB89 #89FBCE #9589FB #FB89B6

square

#EFFB89 #89FBCE #9589FB #FB89B6

split-complementary

#EFFB89 #89B6FB #CE89FB

monochromatic

#DFF713 #E7F94E #EFFB89 #F7FDC4 #FBFEE1

Accessibility & contrast

On white

1.12

#EFFB89 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.83

#EFFB89 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFB89

18.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFB89	#FFFFFF	#000000	##000000
##EFFB89	1.00	1.12	18.83	18.83
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.83	21.00	1.00	1.00
##000000	18.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF17F

Deuteranopia (green-blind)

#FFF48F

Tritanopia (blue-blind)

#FBEFE0

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #effb89;
/* rgb */ color: rgb(239, 251, 137);
/* oklch */ color: oklch(95.5% 0.139 114.0);

Tailwind

colors: {
  custom: {
    50: '#f6fcad',
    500: '#effb89',
    950: '#000000',
  },
}

SCSS

$custom: #effb89;
$custom-light: #f6fcad;
$custom-dark: #000000;

JSON

{
  "hex": "#effb89",
  "rgb": {
    "r": 239,
    "g": 251,
    "b": 137
  },
  "hsl": {
    "h": 66.316,
    "s": 93.443,
    "l": 76.078
  },
  "oklch": {
    "l": 0.95548,
    "c": 0.13889,
    "h": 114
  },
  "luminance": 0.89151
}

Semantic roles & 50–950 ramp

primary

#EFFB89

secondary

#5D4EDA

accent

#00E618

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFFB89

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

Preview Lab → · Contrast checker → · Palette generator →