#FFEF5F#FFEF5F

#FFEF5F is a very light, vivid yellow. Relative luminance 0.838; OKLCH L 93.9% C 0.162 H 103.0°. Best body text is #000000 at 17.76:1 contrast (WCAG AA passes).

Color values

HEX	#FFEF5F
RGB	rgb(255, 239, 95)
HSL	hsl(54, 100%, 69%)
HSV	hsv(54, 63%, 100%)
CMYK	cmyk(0%, 6.3%, 62.7%, 0%)
CIE-LAB	lab(93.37, -11.10, 69.30)
CIE-LCH	lch(93.37, 70.18, 99.10°)
OKLab	oklab(93.91% -0.0363 0.1574)
OKLCH	oklch(93.91% 0.162 103)
XYZ	xyz(74.1749, 83.8221, 23.0964)
Luminance	0.8382 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FFEF5F #5F6FFF

analogous

#FF9F5F #FFEF5F #BFFF5F

triadic

#FFEF5F #5FFFEF #EF5FFF

tetradic

#FFEF5F #5FFF9F #5F6FFF #FF5FBF

square

#FFEF5F #5FFF9F #5F6FFF #FF5FBF

split-complementary

#FFEF5F #5FBFFF #9F5FFF

monochromatic

#E4CD00 #FFE922 #FFEF5F #FFF59C #FFFBD9

Accessibility & contrast

On white

1.18

#FFEF5F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.76

#FFEF5F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFEF5F

17.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FFEF5F	#FFFFFF	#000000	##000000
##FFEF5F	1.00	1.18	17.76	17.76
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.76	21.00	1.00	1.00
##000000	17.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE84D

Deuteranopia (green-blind)

#FFEF67

Tritanopia (blue-blind)

#FFE0D1

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #ffef5f;
/* rgb */ color: rgb(255, 239, 95);
/* oklch */ color: oklch(93.9% 0.162 103.0);

Tailwind

colors: {
  custom: {
    50: '#fff392',
    500: '#ffef5f',
    950: '#000000',
  },
}

SCSS

$custom: #ffef5f;
$custom-light: #fff392;
$custom-dark: #000000;

JSON

{
  "hex": "#ffef5f",
  "rgb": {
    "r": 255,
    "g": 239,
    "b": 95
  },
  "hsl": {
    "h": 54,
    "s": 100,
    "l": 68.627
  },
  "oklch": {
    "l": 0.93906,
    "c": 0.16155,
    "h": 103
  },
  "luminance": 0.83819
}

Semantic roles & 50–950 ramp

primary

#FFEF5F

secondary

#293BD9

accent

#17E600

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#19170D

muted

#87857F

Preview Lab

Preview with #FFEF5F

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

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