#EFF689#EFF689

#EFF689 is a very light, vivid yellow. Relative luminance 0.861; OKLCH L 94.5% C 0.133 H 111.9°. Best body text is #000000 at 18.21:1 contrast (WCAG AA passes).

Color values

HEX	#EFF689
RGB	rgb(239, 246, 137)
HSL	hsl(64, 86%, 75%)
HSV	hsv(64, 44%, 96%)
CMYK	cmyk(2.8%, 0%, 44.3%, 3.5%)
CIE-LAB	lab(94.34, -17.57, 51.41)
CIE-LCH	lch(94.34, 54.33, 108.88°)
OKLab	oklab(94.51% -0.0496 0.1234)
OKLCH	oklch(94.51% 0.133 111.9)
XYZ	xyz(73.0688, 86.0697, 36.4260)
Luminance	0.8607 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF689 #9089F6

analogous

#F6C689 #EFF689 #B9F689

triadic

#EFF689 #89EFF6 #F689EF

tetradic

#EFF689 #89F6C6 #9089F6 #F689B9

square

#EFF689 #89F6C6 #9089F6 #F689B9

split-complementary

#EFF689 #89B9F6 #C689F6

monochromatic

#E0ED17 #E7F250 #EFF689 #F7FAC2 #FBFDE3

Accessibility & contrast

On white

1.15

#EFF689 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.21

#EFF689 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF689

18.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF689	#FFFFFF	#000000	##000000
##EFF689	1.00	1.15	18.21	18.21
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.21	21.00	1.00	1.00
##000000	18.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED80

Deuteranopia (green-blind)

#FFF08E

Tritanopia (blue-blind)

#FBEBDC

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #eff689;
/* rgb */ color: rgb(239, 246, 137);
/* oklch */ color: oklch(94.5% 0.133 111.9);

Tailwind

colors: {
  custom: {
    50: '#f6f9ad',
    500: '#eff689',
    950: '#000000',
  },
}

SCSS

$custom: #eff689;
$custom-light: #f6f9ad;
$custom-dark: #000000;

JSON

{
  "hex": "#eff689",
  "rgb": {
    "r": 239,
    "g": 246,
    "b": 137
  },
  "hsl": {
    "h": 63.853,
    "s": 85.827,
    "l": 75.098
  },
  "oklch": {
    "l": 0.94509,
    "c": 0.13295,
    "h": 111.9
  },
  "luminance": 0.86068
}

Semantic roles & 50–950 ramp

primary

#EFF689

secondary

#5850D3

accent

#03E211

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFF689

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

Preview Lab → · Contrast checker → · Palette generator →