#EFF164#EFF164

#EFF164 is a very light, vivid yellow. Relative luminance 0.822; OKLCH L 93.0% C 0.161 H 109.9°. Best body text is #000000 at 17.44:1 contrast (WCAG AA passes).

Color values

HEX	#EFF164
RGB	rgb(239, 241, 100)
HSL	hsl(61, 83%, 67%)
HSV	hsv(61, 59%, 95%)
CMYK	cmyk(0.8%, 0%, 58.5%, 5.5%)
CIE-LAB	lab(92.66, -18.20, 66.08)
CIE-LCH	lch(92.66, 68.54, 105.40°)
OKLab	oklab(93.04% -0.055 0.1517)
OKLCH	oklch(93.04% 0.161 109.9)
XYZ	xyz(69.3541, 82.1832, 24.2637)
Luminance	0.8218 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF164 #6664F1

analogous

#F1AD64 #EFF164 #A9F164

triadic

#EFF164 #64EFF1 #F164EF

tetradic

#EFF164 #64F1AD #6664F1 #F164A9

square

#EFF164 #64F1AD #6664F1 #F164A9

split-complementary

#EFF164 #64A9F1 #AD64F1

monochromatic

#C6C812 #E9EC2C #EFF164 #F5F69C #FBFBD4

Accessibility & contrast

On white

1.20

#EFF164 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.44

#EFF164 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF164

17.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF164	#FFFFFF	#000000	##000000
##EFF164	1.00	1.20	17.44	17.44
#FFFFFF	1.20	1.00	21.00	21.00
#000000	17.44	21.00	1.00	1.00
##000000	17.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE854

Deuteranopia (green-blind)

#FFEC6C

Tritanopia (blue-blind)

#FEE3D3

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #eff164;
/* rgb */ color: rgb(239, 241, 100);
/* oklch */ color: oklch(93.0% 0.161 109.9);

Tailwind

colors: {
  custom: {
    50: '#f7f595',
    500: '#eff164',
    950: '#000000',
  },
}

SCSS

$custom: #eff164;
$custom-light: #f7f595;
$custom-dark: #000000;

JSON

{
  "hex": "#eff164",
  "rgb": {
    "r": 239,
    "g": 241,
    "b": 100
  },
  "hsl": {
    "h": 60.851,
    "s": 83.432,
    "l": 66.863
  },
  "oklch": {
    "l": 0.9304,
    "c": 0.16132,
    "h": 109.9
  },
  "luminance": 0.82181
}

Semantic roles & 50–950 ramp

primary

#EFF164

secondary

#3634C5

accent

#06E009

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #EFF164

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

Preview Lab → · Contrast checker → · Palette generator →