#EFF889#EFF889

#EFF889 is a very light, vivid yellow. Relative luminance 0.873; OKLCH L 94.9% C 0.135 H 112.8°. Best body text is #000000 at 18.46:1 contrast (WCAG AA passes).

Color values

HEX	#EFF889
RGB	rgb(239, 248, 137)
HSL	hsl(65, 89%, 75%)
HSV	hsv(65, 45%, 97%)
CMYK	cmyk(3.6%, 0%, 44.8%, 2.7%)
CIE-LAB	lab(94.86, -18.54, 52.04)
CIE-LCH	lch(94.86, 55.25, 109.61°)
OKLab	oklab(94.92% -0.0523 0.1248)
OKLCH	oklch(94.92% 0.135 112.8)
XYZ	xyz(73.6804, 87.2928, 36.6298)
Luminance	0.8729 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF889 #9289F8

analogous

#F8C989 #EFF889 #B7F889

triadic

#EFF889 #89EFF8 #F889EF

tetradic

#EFF889 #89F8C9 #9289F8 #F889B7

square

#EFF889 #89F8C9 #9289F8 #F889B7

split-complementary

#EFF889 #89B7F8 #C989F8

monochromatic

#DFF115 #E7F54F #EFF889 #F7FBC3 #FBFDE2

Accessibility & contrast

On white

1.14

#EFF889 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.46

#EFF889 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF889

18.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF889	#FFFFFF	#000000	##000000
##EFF889	1.00	1.14	18.46	18.46
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.46	21.00	1.00	1.00
##000000	18.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEF80

Deuteranopia (green-blind)

#FFF28E

Tritanopia (blue-blind)

#FBEDDE

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #eff889;
/* rgb */ color: rgb(239, 248, 137);
/* oklch */ color: oklch(94.9% 0.135 112.8);

Tailwind

colors: {
  custom: {
    50: '#f6faad',
    500: '#eff889',
    950: '#000000',
  },
}

SCSS

$custom: #eff889;
$custom-light: #f6faad;
$custom-dark: #000000;

JSON

{
  "hex": "#eff889",
  "rgb": {
    "r": 239,
    "g": 248,
    "b": 137
  },
  "hsl": {
    "h": 64.865,
    "s": 88.8,
    "l": 75.49
  },
  "oklch": {
    "l": 0.94924,
    "c": 0.13532,
    "h": 112.8
  },
  "luminance": 0.87292
}

Semantic roles & 50–950 ramp

primary

#EFF889

secondary

#5A4FD6

accent

#00E513

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFF889

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

Preview Lab → · Contrast checker → · Palette generator →