#F0F958#F0F958

#F0F958 is a very light, vivid yellow. Relative luminance 0.870; OKLCH L 94.7% C 0.178 H 112.4°. Best body text is #000000 at 18.40:1 contrast (WCAG AA passes).

Color values

HEX	#F0F958
RGB	rgb(240, 249, 88)
HSL	hsl(63, 93%, 66%)
HSV	hsv(63, 65%, 98%)
CMYK	cmyk(3.6%, 0%, 64.7%, 2.4%)
CIE-LAB	lab(94.73, -22.40, 73.11)
CIE-LCH	lch(94.73, 76.47, 107.03°)
OKLab	oklab(94.69% -0.068 0.1649)
OKLCH	oklch(94.69% 0.178 112.4)
XYZ	xyz(71.5744, 86.9828, 22.2496)
Luminance	0.8698 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F0F958 #6158F9

analogous

#F9B158 #F0F958 #9FF958

triadic

#F0F958 #58F0F9 #F958F0

tetradic

#F0F958 #58F9B1 #6158F9 #F9589F

square

#F0F958 #58F9B1 #6158F9 #F9589F

split-complementary

#F0F958 #589FF9 #B158F9

monochromatic

#C4CF07 #EBF71D #F0F958 #F5FB93 #FBFDCE

Accessibility & contrast

On white

1.14

#F0F958 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.40

#F0F958 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F0F958

18.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F0F958	#FFFFFF	#000000	##000000
##F0F958	1.00	1.14	18.40	18.40
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.40	21.00	1.00	1.00
##000000	18.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE42

Deuteranopia (green-blind)

#FFF263

Tritanopia (blue-blind)

#FFEBD8

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #f0f958;
/* rgb */ color: rgb(240, 249, 88);
/* oklch */ color: oklch(94.7% 0.178 112.4);

Tailwind

colors: {
  custom: {
    50: '#f8fb8f',
    500: '#f0f958',
    950: '#000000',
  },
}

SCSS

$custom: #f0f958;
$custom-light: #f8fb8f;
$custom-dark: #000000;

JSON

{
  "hex": "#f0f958",
  "rgb": {
    "r": 240,
    "g": 249,
    "b": 88
  },
  "hsl": {
    "h": 63.354,
    "s": 93.064,
    "l": 66.078
  },
  "oklch": {
    "l": 0.94687,
    "c": 0.17835,
    "h": 112.4
  },
  "luminance": 0.86981
}

Semantic roles & 50–950 ramp

primary

#F0F958

secondary

#342BCA

accent

#00E60D

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #F0F958

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

Preview Lab → · Contrast checker → · Palette generator →