#FFDF39#FFDF39

#FFDF39 is a very light, vivid yellow. Relative luminance 0.743; OKLCH L 90.4% C 0.172 H 97.5°. Best body text is #000000 at 15.87:1 contrast (WCAG AA passes).

Color values

HEX	#FFDF39
RGB	rgb(255, 223, 57)
HSL	hsl(50, 100%, 61%)
HSV	hsv(50, 78%, 100%)
CMYK	cmyk(0%, 12.5%, 77.6%, 0%)
CIE-LAB	lab(89.08, -4.93, 78.77)
CIE-LCH	lch(89.08, 78.92, 93.58°)
OKLab	oklab(90.42% -0.0225 0.171)
OKLCH	oklch(90.42% 0.173 97.5)
XYZ	xyz(68.3698, 74.3344, 14.6169)
Luminance	0.7433 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FFDF39 #3959FF

analogous

#FF7C39 #FFDF39 #BCFF39

triadic

#FFDF39 #39FFDF #DF39FF

tetradic

#FFDF39 #39FF7C #3959FF #FF39BC

square

#FFDF39 #39FF7C #3959FF #FF39BC

split-complementary

#FFDF39 #39BCFF #7C39FF

monochromatic

#BE9F00 #FBD200 #FFDF39 #FFE976 #FFF3B3

Accessibility & contrast

On white

1.32

#FFDF39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.87

#FFDF39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFDF39

15.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FFDF39	#FFFFFF	#000000	##000000
##FFDF39	1.00	1.32	15.87	15.87
#FFFFFF	1.32	1.00	21.00	21.00
#000000	15.87	21.00	1.00	1.00
##000000	15.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F6DA0C

Deuteranopia (green-blind)

#FEE445

Tritanopia (blue-blind)

#FFCEC0

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #ffdf39;
/* rgb */ color: rgb(255, 223, 57);
/* oklch */ color: oklch(90.4% 0.172 97.5);

Tailwind

colors: {
  custom: {
    50: '#ffe87d',
    500: '#ffdf39',
    950: '#000000',
  },
}

SCSS

$custom: #ffdf39;
$custom-light: #ffe87d;
$custom-dark: #000000;

JSON

{
  "hex": "#ffdf39",
  "rgb": {
    "r": 255,
    "g": 223,
    "b": 57
  },
  "hsl": {
    "h": 50.303,
    "s": 100,
    "l": 61.176
  },
  "oklch": {
    "l": 0.90424,
    "c": 0.1725,
    "h": 97.5
  },
  "luminance": 0.74331
}

Semantic roles & 50–950 ramp

primary

#FFDF39

secondary

#213ABB

accent

#25E600

background

#FFFEFB

surface

#FFFCF2

border

#D7D5CC

text

#19160B

muted

#87847E

Preview Lab

Preview with #FFDF39

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

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