#F1EF59#F1EF59

#F1EF59 is a very light, vivid yellow. Relative luminance 0.812; OKLCH L 92.7% C 0.167 H 108.5°. Best body text is #000000 at 17.23:1 contrast (WCAG AA passes).

Color values

HEX	#F1EF59
RGB	rgb(241, 239, 89)
HSL	hsl(59, 84%, 65%)
HSV	hsv(59, 63%, 95%)
CMYK	cmyk(0%, 0.8%, 63.1%, 5.5%)
CIE-LAB	lab(92.20, -17.13, 70.12)
CIE-LCH	lch(92.20, 72.18, 103.73°)
OKLab	oklab(92.69% -0.0532 0.1587)
OKLCH	oklch(92.69% 0.167 108.5)
XYZ	xyz(68.9476, 81.1571, 21.4822)
Luminance	0.8115 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F1EF59 #595BF1

analogous

#F1A359 #F1EF59 #A7F159

triadic

#F1EF59 #59F1EF #EF59F1

tetradic

#F1EF59 #59F1A3 #595BF1 #F159A7

square

#F1EF59 #59F1A3 #595BF1 #F159A7

split-complementary

#F1EF59 #59A7F1 #A359F1

monochromatic

#BFBD10 #ECEA21 #F1EF59 #F6F491 #FBFACA

Accessibility & contrast

On white

1.22

#F1EF59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.23

#F1EF59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F1EF59

17.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F1EF59	#FFFFFF	#000000	##000000
##F1EF59	1.00	1.22	17.23	17.23
#FFFFFF	1.22	1.00	21.00	21.00
#000000	17.23	21.00	1.00	1.00
##000000	17.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE645

Deuteranopia (green-blind)

#FFEB63

Tritanopia (blue-blind)

#FFE1D0

Achromatopsia (no color)

#E9E9E9

Design tokens & code

CSS

--color: #f1ef59;
/* rgb */ color: rgb(241, 239, 89);
/* oklch */ color: oklch(92.7% 0.167 108.5);

Tailwind

colors: {
  custom: {
    50: '#f9f48f',
    500: '#f1ef59',
    950: '#000000',
  },
}

SCSS

$custom: #f1ef59;
$custom-light: #f9f48f;
$custom-dark: #000000;

JSON

{
  "hex": "#f1ef59",
  "rgb": {
    "r": 241,
    "g": 239,
    "b": 89
  },
  "hsl": {
    "h": 59.211,
    "s": 84.444,
    "l": 64.706
  },
  "oklch": {
    "l": 0.92687,
    "c": 0.16734,
    "h": 108.5
  },
  "luminance": 0.81155
}

Semantic roles & 50–950 ramp

primary

#F1EF59

secondary

#3133BE

accent

#07E105

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #F1EF59

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

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