#F9CF51#F9CF51

#F9CF51 is a very light, vivid yellow. Relative luminance 0.654; OKLCH L 86.9% C 0.148 H 90.3°. Best body text is #000000 at 14.07:1 contrast (WCAG AA passes).

Color values

HEX	#F9CF51
RGB	rgb(249, 207, 81)
HSL	hsl(45, 93%, 65%)
HSV	hsv(45, 67%, 98%)
CMYK	cmyk(0%, 16.9%, 67.5%, 2.4%)
CIE-LAB	lab(84.67, 1.72, 65.69)
CIE-LCH	lch(84.67, 65.71, 88.50°)
OKLab	oklab(86.86% -0.0008 0.1478)
OKLCH	oklch(86.86% 0.148 90.3)
XYZ	xyz(62.8683, 65.3632, 17.0880)
Luminance	0.6536 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F9CF51 #517BF9

analogous

#F97B51 #F9CF51 #CFF951

triadic

#F9CF51 #51F9CF #CF51F9

tetradic

#F9CF51 #51F97B #517BF9 #F951CF

square

#F9CF51 #51F97B #517BF9 #F951CF

split-complementary

#F9CF51 #51CFF9 #7B51F9

monochromatic

#C99807 #F7BF16 #F9CF51 #FBDF8C #FDF0C7

Accessibility & contrast

On white

1.49

#F9CF51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.07

#F9CF51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F9CF51

14.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F9CF51	#FFFFFF	#000000	##000000
##F9CF51	1.00	1.49	14.07	14.07
#FFFFFF	1.49	1.00	21.00	21.00
#000000	14.07	21.00	1.00	1.00
##000000	14.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5CD41

Deuteranopia (green-blind)

#EFD857

Tritanopia (blue-blind)

#FFBFB5

Achromatopsia (no color)

#D3D3D3

Design tokens & code

CSS

--color: #f9cf51;
/* rgb */ color: rgb(249, 207, 81);
/* oklch */ color: oklch(86.9% 0.148 90.3);

Tailwind

colors: {
  custom: {
    50: '#ffdd88',
    500: '#f9cf51',
    950: '#000000',
  },
}

SCSS

$custom: #f9cf51;
$custom-light: #ffdd88;
$custom-dark: #000000;

JSON

{
  "hex": "#f9cf51",
  "rgb": {
    "r": 249,
    "g": 207,
    "b": 81
  },
  "hsl": {
    "h": 45,
    "s": 93.333,
    "l": 64.706
  },
  "oklch": {
    "l": 0.86857,
    "c": 0.14783,
    "h": 90.3
  },
  "luminance": 0.65359
}

Semantic roles & 50–950 ramp

primary

#F9CF51

secondary

#2950C5

accent

#39E600

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#19150C

muted

#87847F

Preview Lab

Preview with #F9CF51

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

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