#EFF369#EFF369

#EFF369 is a very light, vivid yellow. Relative luminance 0.835; OKLCH L 93.5% C 0.159 H 110.7°. Best body text is #000000 at 17.69:1 contrast (WCAG AA passes).

Color values

HEX	#EFF369
RGB	rgb(239, 243, 105)
HSL	hsl(62, 85%, 68%)
HSV	hsv(62, 57%, 95%)
CMYK	cmyk(1.6%, 0%, 56.8%, 4.7%)
CIE-LAB	lab(93.22, -18.82, 64.59)
CIE-LCH	lch(93.22, 67.28, 106.25°)
OKLab	oklab(93.51% -0.0562 0.1491)
OKLCH	oklch(93.51% 0.159 110.7)
XYZ	xyz(70.1988, 83.4735, 25.7759)
Luminance	0.8347 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF369 #6D69F3

analogous

#F3B269 #EFF369 #AAF369

triadic

#EFF369 #69EFF3 #F369EF

tetradic

#EFF369 #69F3B2 #6D69F3 #F369AA

square

#EFF369 #69F3B2 #6D69F3 #F369AA

split-complementary

#EFF369 #69AAF3 #B269F3

monochromatic

#CBD111 #E9EE30 #EFF369 #F5F8A2 #FBFCDA

Accessibility & contrast

On white

1.19

#EFF369 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.69

#EFF369 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF369

17.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF369	#FFFFFF	#000000	##000000
##EFF369	1.00	1.19	17.69	17.69
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.69	21.00	1.00	1.00
##000000	17.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE95A

Deuteranopia (green-blind)

#FFEE71

Tritanopia (blue-blind)

#FEE6D5

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #eff369;
/* rgb */ color: rgb(239, 243, 105);
/* oklch */ color: oklch(93.5% 0.159 110.7);

Tailwind

colors: {
  custom: {
    50: '#f7f699',
    500: '#eff369',
    950: '#000000',
  },
}

SCSS

$custom: #eff369;
$custom-light: #f7f699;
$custom-dark: #000000;

JSON

{
  "hex": "#eff369",
  "rgb": {
    "r": 239,
    "g": 243,
    "b": 105
  },
  "hsl": {
    "h": 61.739,
    "s": 85.185,
    "l": 68.235
  },
  "oklch": {
    "l": 0.93505,
    "c": 0.15934,
    "h": 110.7
  },
  "luminance": 0.83472
}

Semantic roles & 50–950 ramp

primary

#EFF369

secondary

#3934CC

accent

#04E20A

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #EFF369

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

Preview Lab → · Contrast checker → · Palette generator →