#F0FF4E#F0FF4E

#F0FF4E is a very light, vivid yellow. Relative luminance 0.906; OKLCH L 95.9% C 0.191 H 114.2°. Best body text is #000000 at 19.12:1 contrast (WCAG AA passes).

Color values

HEX	#F0FF4E
RGB	rgb(240, 255, 78)
HSL	hsl(65, 100%, 65%)
HSV	hsv(65, 69%, 100%)
CMYK	cmyk(5.9%, 0%, 69.4%, 0%)
CIE-LAB	lab(96.24, -25.76, 78.26)
CIE-LCH	lch(96.24, 82.39, 108.22°)
OKLab	oklab(95.88% -0.0784 0.1742)
OKLCH	oklch(95.88% 0.191 114.2)
XYZ	xyz(73.0724, 90.5967, 20.8438)
Luminance	0.9060 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F0FF4E #5D4EFF

analogous

#FFB64E #F0FF4E #97FF4E

triadic

#F0FF4E #4EF0FF #FF4EF0

tetradic

#F0FF4E #4EFFB6 #5D4EFF #FF4E97

square

#F0FF4E #4EFFB6 #5D4EFF #FF4E97

split-complementary

#F0FF4E #4E97FF #B64EFF

monochromatic

#C1D300 #EBFF11 #F0FF4E #F5FF8B #FAFFC8

Accessibility & contrast

On white

1.10

#F0FF4E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.12

#F0FF4E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F0FF4E

19.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F0FF4E	#FFFFFF	#000000	##000000
##F0FF4E	1.00	1.10	19.12	19.12
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.12	21.00	1.00	1.00
##000000	19.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF32F

Deuteranopia (green-blind)

#FFF65C

Tritanopia (blue-blind)

#FFF0DC

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #f0ff4e;
/* rgb */ color: rgb(240, 255, 78);
/* oklch */ color: oklch(95.9% 0.191 114.2);

Tailwind

colors: {
  custom: {
    50: '#f9ff8a',
    500: '#f0ff4e',
    950: '#000000',
  },
}

SCSS

$custom: #f0ff4e;
$custom-light: #f9ff8a;
$custom-dark: #000000;

JSON

{
  "hex": "#f0ff4e",
  "rgb": {
    "r": 240,
    "g": 255,
    "b": 78
  },
  "hsl": {
    "h": 65.085,
    "s": 100,
    "l": 65.294
  },
  "oklch": {
    "l": 0.95877,
    "c": 0.19098,
    "h": 114.2
  },
  "luminance": 0.90595
}

Semantic roles & 50–950 ramp

primary

#F0FF4E

secondary

#3224CD

accent

#00E613

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #F0FF4E

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

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