#EFF569#EFF569

#EFF569 is a very light, vivid yellow. Relative luminance 0.847; OKLCH L 93.9% C 0.161 H 111.4°. Best body text is #000000 at 17.93:1 contrast (WCAG AA passes).

Color values

HEX	#EFF569
RGB	rgb(239, 245, 105)
HSL	hsl(63, 88%, 69%)
HSV	hsv(63, 57%, 96%)
CMYK	cmyk(2.4%, 0%, 57.1%, 3.9%)
CIE-LAB	lab(93.74, -19.79, 65.17)
CIE-LCH	lch(93.74, 68.11, 106.89°)
OKLab	oklab(93.92% -0.0589 0.1503)
OKLCH	oklch(93.92% 0.161 111.4)
XYZ	xyz(70.8006, 84.6770, 25.9765)
Luminance	0.8468 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF569 #6F69F5

analogous

#F5B569 #EFF569 #A9F569

triadic

#EFF569 #69EFF5 #F569EF

tetradic

#EFF569 #69F5B5 #6F69F5 #F569A9

square

#EFF569 #69F5B5 #6F69F5 #F569A9

split-complementary

#EFF569 #69A9F5 #B569F5

monochromatic

#CDD50E #E9F130 #EFF569 #F5F9A2 #FBFDDC

Accessibility & contrast

On white

1.17

#EFF569 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.93

#EFF569 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF569

17.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF569	#FFFFFF	#000000	##000000
##EFF569	1.00	1.17	17.93	17.93
#FFFFFF	1.17	1.00	21.00	21.00
#000000	17.93	21.00	1.00	1.00
##000000	17.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB5A

Deuteranopia (green-blind)

#FFEF71

Tritanopia (blue-blind)

#FEE8D7

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #eff569;
/* rgb */ color: rgb(239, 245, 105);
/* oklch */ color: oklch(93.9% 0.161 111.4);

Tailwind

colors: {
  custom: {
    50: '#f7f899',
    500: '#eff569',
    950: '#000000',
  },
}

SCSS

$custom: #eff569;
$custom-light: #f7f899;
$custom-dark: #000000;

JSON

{
  "hex": "#eff569",
  "rgb": {
    "r": 239,
    "g": 245,
    "b": 105
  },
  "hsl": {
    "h": 62.571,
    "s": 87.5,
    "l": 68.627
  },
  "oklch": {
    "l": 0.93922,
    "c": 0.16148,
    "h": 111.4
  },
  "luminance": 0.84675
}

Semantic roles & 50–950 ramp

primary

#EFF569

secondary

#3B34CE

accent

#01E40B

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #EFF569

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

Preview Lab → · Contrast checker → · Palette generator →