#FFCF3B#FFCF3B

#FFCF3B is a very light, vivid yellow. Relative luminance 0.662; OKLCH L 87.3% C 0.162 H 89.7°. Best body text is #000000 at 14.24:1 contrast (WCAG AA passes).

Color values

HEX	#FFCF3B
RGB	rgb(255, 207, 59)
HSL	hsl(45, 100%, 62%)
HSV	hsv(45, 77%, 100%)
CMYK	cmyk(0%, 18.8%, 76.9%, 0%)
CIE-LAB	lab(85.10, 3.25, 74.52)
CIE-LCH	lch(85.10, 74.59, 87.50°)
OKLab	oklab(87.28% 0.0009 0.1623)
OKLCH	oklch(87.28% 0.162 89.7)
XYZ	xyz(64.3461, 66.2056, 13.5267)
Luminance	0.6620 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FFCF3B #3B6BFF

analogous

#FF6D3B #FFCF3B #CDFF3B

triadic

#FFCF3B #3BFFCF #CF3BFF

tetradic

#FFCF3B #3BFF6D #3B6BFF #FF3BCD

square

#FFCF3B #3BFF6D #3B6BFF #FF3BCD

split-complementary

#FFCF3B #3BCDFF #6D3BFF

monochromatic

#C09100 #FDBF00 #FFCF3B #FFDE78 #FFEDB5

Accessibility & contrast

On white

1.47

#FFCF3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.24

#FFCF3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFCF3B

14.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FFCF3B	#FFFFFF	#000000	##000000
##FFCF3B	1.00	1.47	14.24	14.24
#FFFFFF	1.47	1.00	21.00	21.00
#000000	14.24	21.00	1.00	1.00
##000000	14.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E7CD1D

Deuteranopia (green-blind)

#F3DA44

Tritanopia (blue-blind)

#FFBDB3

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #ffcf3b;
/* rgb */ color: rgb(255, 207, 59);
/* oklch */ color: oklch(87.3% 0.162 89.7);

Tailwind

colors: {
  custom: {
    50: '#ffdd7c',
    500: '#ffcf3b',
    950: '#000000',
  },
}

SCSS

$custom: #ffcf3b;
$custom-light: #ffdd7c;
$custom-dark: #000000;

JSON

{
  "hex": "#ffcf3b",
  "rgb": {
    "r": 255,
    "g": 207,
    "b": 59
  },
  "hsl": {
    "h": 45.306,
    "s": 100,
    "l": 61.569
  },
  "oklch": {
    "l": 0.87283,
    "c": 0.16229,
    "h": 89.7
  },
  "luminance": 0.66201
}

Semantic roles & 50–950 ramp

primary

#FFCF3B

secondary

#2147BD

accent

#38E600

background

#FFFEFB

surface

#FFFCF2

border

#D7D5CC

text

#19150A

muted

#87847D

Preview Lab

Preview with #FFCF3B

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

Preview Lab → · Contrast checker → · Palette generator →