#EFF365#EFF365

#EFF365 is a very light, vivid yellow. Relative luminance 0.834; OKLCH L 93.5% C 0.163 H 110.7°. Best body text is #000000 at 17.68:1 contrast (WCAG AA passes).

Color values

HEX	#EFF365
RGB	rgb(239, 243, 101)
HSL	hsl(62, 86%, 67%)
HSV	hsv(62, 58%, 95%)
CMYK	cmyk(1.6%, 0%, 58.4%, 4.7%)
CIE-LAB	lab(93.19, -19.10, 66.25)
CIE-LCH	lch(93.19, 68.94, 106.08°)
OKLab	oklab(93.47% -0.0574 0.1521)
OKLCH	oklch(93.47% 0.163 110.7)
XYZ	xyz(69.9981, 83.3932, 24.7186)
Luminance	0.8339 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF365 #6965F3

analogous

#F3B065 #EFF365 #A8F365

triadic

#EFF365 #65EFF3 #F365EF

tetradic

#EFF365 #65F3B0 #6965F3 #F365A8

square

#EFF365 #65F3B0 #6965F3 #F365A8

split-complementary

#EFF365 #65A8F3 #B065F3

monochromatic

#C8CE10 #E9EF2C #EFF365 #F5F79E #FBFCD7

Accessibility & contrast

On white

1.19

#EFF365 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.68

#EFF365 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF365

17.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF365	#FFFFFF	#000000	##000000
##EFF365	1.00	1.19	17.68	17.68
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.68	21.00	1.00	1.00
##000000	17.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE955

Deuteranopia (green-blind)

#FFED6D

Tritanopia (blue-blind)

#FEE5D5

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #eff365;
/* rgb */ color: rgb(239, 243, 101);
/* oklch */ color: oklch(93.5% 0.163 110.7);

Tailwind

colors: {
  custom: {
    50: '#f7f696',
    500: '#eff365',
    950: '#000000',
  },
}

SCSS

$custom: #eff365;
$custom-light: #f7f696;
$custom-dark: #000000;

JSON

{
  "hex": "#eff365",
  "rgb": {
    "r": 239,
    "g": 243,
    "b": 101
  },
  "hsl": {
    "h": 61.69,
    "s": 85.542,
    "l": 67.451
  },
  "oklch": {
    "l": 0.93466,
    "c": 0.16261,
    "h": 110.7
  },
  "luminance": 0.83391
}

Semantic roles & 50–950 ramp

primary

#EFF365

secondary

#3733CA

accent

#03E20A

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #EFF365

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

Preview Lab → · Contrast checker → · Palette generator →