#EFF688#EFF688

#EFF688 is a very light, vivid yellow. Relative luminance 0.860; OKLCH L 94.5% C 0.134 H 111.9°. Best body text is #000000 at 18.21:1 contrast (WCAG AA passes).

Color values

HEX	#EFF688
RGB	rgb(239, 246, 136)
HSL	hsl(64, 86%, 75%)
HSV	hsv(64, 45%, 96%)
CMYK	cmyk(2.8%, 0%, 44.7%, 3.5%)
CIE-LAB	lab(94.33, -17.67, 51.86)
CIE-LCH	lch(94.33, 54.79, 108.82°)
OKLab	oklab(94.49% -0.0499 0.1243)
OKLCH	oklch(94.49% 0.134 111.9)
XYZ	xyz(72.9974, 86.0411, 36.0500)
Luminance	0.8604 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF688 #8F88F6

analogous

#F6C688 #EFF688 #B8F688

triadic

#EFF688 #88EFF6 #F688EF

tetradic

#EFF688 #88F6C6 #8F88F6 #F688B8

square

#EFF688 #88F6C6 #8F88F6 #F688B8

split-complementary

#EFF688 #88B8F6 #C688F6

monochromatic

#E0ED16 #E7F24F #EFF688 #F7FAC1 #FBFDE3

Accessibility & contrast

On white

1.15

#EFF688 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.21

#EFF688 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF688

18.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF688	#FFFFFF	#000000	##000000
##EFF688	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)

#FFED7F

Deuteranopia (green-blind)

#FFF08D

Tritanopia (blue-blind)

#FBEADC

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #eff688;
/* rgb */ color: rgb(239, 246, 136);
/* oklch */ color: oklch(94.5% 0.134 111.9);

Tailwind

colors: {
  custom: {
    50: '#f6f9ad',
    500: '#eff688',
    950: '#000000',
  },
}

SCSS

$custom: #eff688;
$custom-light: #f6f9ad;
$custom-dark: #000000;

JSON

{
  "hex": "#eff688",
  "rgb": {
    "r": 239,
    "g": 246,
    "b": 136
  },
  "hsl": {
    "h": 63.818,
    "s": 85.938,
    "l": 74.902
  },
  "oklch": {
    "l": 0.94495,
    "c": 0.13397,
    "h": 111.9
  },
  "luminance": 0.8604
}

Semantic roles & 50–950 ramp

primary

#EFF688

secondary

#574FD3

accent

#03E211

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFF688

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

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