#EFFD89#EFFD89

#EFFD89 is a very light, vivid yellow. Relative luminance 0.904; OKLCH L 96.0% C 0.141 H 114.8°. Best body text is #000000 at 19.08:1 contrast (WCAG AA passes).

Color values

HEX	#EFFD89
RGB	rgb(239, 253, 137)
HSL	hsl(67, 97%, 76%)
HSV	hsv(67, 46%, 99%)
CMYK	cmyk(5.5%, 0%, 45.8%, 0.8%)
CIE-LAB	lab(96.17, -20.95, 53.64)
CIE-LCH	lch(96.17, 57.58, 111.33°)
OKLab	oklab(95.96% -0.0592 0.1283)
OKLCH	oklch(95.96% 0.141 114.8)
XYZ	xyz(75.2382, 90.4084, 37.1491)
Luminance	0.9041 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFD89 #9789FD

analogous

#FDD189 #EFFD89 #B5FD89

triadic

#EFFD89 #89EFFD #FD89EF

tetradic

#EFFD89 #89FDD1 #9789FD #FD89B5

square

#EFFD89 #89FDD1 #9789FD #FD89B5

split-complementary

#EFFD89 #89B5FD #D189FD

monochromatic

#DFFB11 #E7FC4D #EFFD89 #F7FEC5 #FBFEE1

Accessibility & contrast

On white

1.10

#EFFD89 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.08

#EFFD89 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFD89

19.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFD89	#FFFFFF	#000000	##000000
##EFFD89	1.00	1.10	19.08	19.08
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.08	21.00	1.00	1.00
##000000	19.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF37F

Deuteranopia (green-blind)

#FFF58F

Tritanopia (blue-blind)

#FBF1E2

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #effd89;
/* rgb */ color: rgb(239, 253, 137);
/* oklch */ color: oklch(96.0% 0.141 114.8);

Tailwind

colors: {
  custom: {
    50: '#f6fead',
    500: '#effd89',
    950: '#000000',
  },
}

SCSS

$custom: #effd89;
$custom-light: #f6fead;
$custom-dark: #000000;

JSON

{
  "hex": "#effd89",
  "rgb": {
    "r": 239,
    "g": 253,
    "b": 137
  },
  "hsl": {
    "h": 67.241,
    "s": 96.667,
    "l": 76.471
  },
  "oklch": {
    "l": 0.95964,
    "c": 0.1413,
    "h": 114.8
  },
  "luminance": 0.90407
}

Semantic roles & 50–950 ramp

primary

#EFFD89

secondary

#5F4DDD

accent

#00E61C

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFFD89

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

Preview Lab → · Contrast checker → · Palette generator →