#FFCF51#FFCF51

#FFCF51 is a very light, vivid orange. Relative luminance 0.665; OKLCH L 87.4% C 0.149 H 87.7°. Best body text is #000000 at 14.30:1 contrast (WCAG AA passes).

Color values

HEX	#FFCF51
RGB	rgb(255, 207, 81)
HSL	hsl(43, 100%, 66%)
HSV	hsv(43, 68%, 100%)
CMYK	cmyk(0%, 18.8%, 68.2%, 0%)
CIE-LAB	lab(85.24, 4.22, 66.46)
CIE-LCH	lch(85.24, 66.60, 86.37°)
OKLab	oklab(87.44% 0.0061 0.1493)
OKLCH	oklch(87.44% 0.149 87.7)
XYZ	xyz(65.0417, 66.4838, 17.1899)
Luminance	0.6648 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FFCF51 #5181FF

analogous

#FF7851 #FFCF51 #D8FF51

triadic

#FFCF51 #51FFCF #CF51FF

tetradic

#FFCF51 #51FF78 #5181FF #FF51D8

square

#FFCF51 #51FF78 #5181FF #FF51D8

split-complementary

#FFCF51 #51D8FF #7851FF

monochromatic

#D69B00 #FFBE14 #FFCF51 #FFE08E #FFF1CB

Accessibility & contrast

On white

1.47

#FFCF51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.30

#FFCF51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFCF51

14.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FFCF51	#FFFFFF	#000000	##000000
##FFCF51	1.00	1.47	14.30	14.30
#FFFFFF	1.47	1.00	21.00	21.00
#000000	14.30	21.00	1.00	1.00
##000000	14.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6CD41

Deuteranopia (green-blind)

#F2DA57

Tritanopia (blue-blind)

#FFBEB5

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #ffcf51;
/* rgb */ color: rgb(255, 207, 81);
/* oklch */ color: oklch(87.4% 0.149 87.7);

Tailwind

colors: {
  custom: {
    50: '#ffdd88',
    500: '#ffcf51',
    950: '#000000',
  },
}

SCSS

$custom: #ffcf51;
$custom-light: #ffdd88;
$custom-dark: #000000;

JSON

{
  "hex": "#ffcf51",
  "rgb": {
    "r": 255,
    "g": 207,
    "b": 81
  },
  "hsl": {
    "h": 43.448,
    "s": 100,
    "l": 65.882
  },
  "oklch": {
    "l": 0.87439,
    "c": 0.14939,
    "h": 87.7
  },
  "luminance": 0.6648
}

Semantic roles & 50–950 ramp

primary

#FFCF51

secondary

#2554D0

accent

#3FE600

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#19150C

muted

#87847F

Preview Lab

Preview with #FFCF51

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

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