#FFEF67#FFEF67

#FFEF67 is a very light, vivid yellow. Relative luminance 0.840; OKLCH L 94.0% C 0.155 H 102.6°. Best body text is #000000 at 17.79:1 contrast (WCAG AA passes).

Color values

HEX	#FFEF67
RGB	rgb(255, 239, 103)
HSL	hsl(54, 100%, 70%)
HSV	hsv(54, 60%, 100%)
CMYK	cmyk(0%, 6.3%, 59.6%, 0%)
CIE-LAB	lab(93.44, -10.60, 66.04)
CIE-LCH	lch(93.44, 66.88, 99.11°)
OKLab	oklab(93.98% -0.034 0.1516)
OKLCH	oklch(93.98% 0.155 102.6)
XYZ	xyz(74.5574, 83.9751, 25.1108)
Luminance	0.8397 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FFEF67 #6777FF

analogous

#FFA367 #FFEF67 #C3FF67

triadic

#FFEF67 #67FFEF #EF67FF

tetradic

#FFEF67 #67FFA3 #6777FF #FF67C3

square

#FFEF67 #67FFA3 #6777FF #FF67C3

split-complementary

#FFEF67 #67C3FF #A367FF

monochromatic

#ECD300 #FFE92A #FFEF67 #FFF5A4 #FFFCE0

Accessibility & contrast

On white

1.18

#FFEF67 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.79

#FFEF67 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFEF67

17.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FFEF67	#FFFFFF	#000000	##000000
##FFEF67	1.00	1.18	17.79	17.79
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.79	21.00	1.00	1.00
##000000	17.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE858

Deuteranopia (green-blind)

#FFEF6E

Tritanopia (blue-blind)

#FFE0D2

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #ffef67;
/* rgb */ color: rgb(255, 239, 103);
/* oklch */ color: oklch(94.0% 0.155 102.6);

Tailwind

colors: {
  custom: {
    50: '#fff497',
    500: '#ffef67',
    950: '#000000',
  },
}

SCSS

$custom: #ffef67;
$custom-light: #fff497;
$custom-dark: #000000;

JSON

{
  "hex": "#ffef67",
  "rgb": {
    "r": 255,
    "g": 239,
    "b": 103
  },
  "hsl": {
    "h": 53.684,
    "s": 100,
    "l": 70.196
  },
  "oklch": {
    "l": 0.9398,
    "c": 0.15536,
    "h": 102.6
  },
  "luminance": 0.83972
}

Semantic roles & 50–950 ramp

primary

#FFEF67

secondary

#3042DA

accent

#18E600

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#19170E

muted

#87857F

Preview Lab

Preview with #FFEF67

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

Preview Lab → · Contrast checker → · Palette generator →