#FFEF61#FFEF61

#FFEF61 is a very light, vivid yellow. Relative luminance 0.839; OKLCH L 93.9% C 0.160 H 102.9°. Best body text is #000000 at 17.77:1 contrast (WCAG AA passes).

Color values

HEX	#FFEF61
RGB	rgb(255, 239, 97)
HSL	hsl(54, 100%, 69%)
HSV	hsv(54, 62%, 100%)
CMYK	cmyk(0%, 6.3%, 62%, 0%)
CIE-LAB	lab(93.39, -10.98, 68.50)
CIE-LCH	lch(93.39, 69.37, 99.10°)
OKLab	oklab(93.92% -0.0357 0.156)
OKLCH	oklch(93.92% 0.16 102.9)
XYZ	xyz(74.2670, 83.8589, 23.5813)
Luminance	0.8386 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FFEF61 #6171FF

analogous

#FFA061 #FFEF61 #C0FF61

triadic

#FFEF61 #61FFEF #EF61FF

tetradic

#FFEF61 #61FFA0 #6171FF #FF61C0

square

#FFEF61 #61FFA0 #6171FF #FF61C0

split-complementary

#FFEF61 #61C0FF #A061FF

monochromatic

#E6CE00 #FFE924 #FFEF61 #FFF59E #FFFBDB

Accessibility & contrast

On white

1.18

#FFEF61 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.77

#FFEF61 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFEF61

17.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FFEF61	#FFFFFF	#000000	##000000
##FFEF61	1.00	1.18	17.77	17.77
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.77	21.00	1.00	1.00
##000000	17.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE850

Deuteranopia (green-blind)

#FFEF69

Tritanopia (blue-blind)

#FFE0D1

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #ffef61;
/* rgb */ color: rgb(255, 239, 97);
/* oklch */ color: oklch(93.9% 0.160 102.9);

Tailwind

colors: {
  custom: {
    50: '#fff394',
    500: '#ffef61',
    950: '#000000',
  },
}

SCSS

$custom: #ffef61;
$custom-light: #fff394;
$custom-dark: #000000;

JSON

{
  "hex": "#ffef61",
  "rgb": {
    "r": 255,
    "g": 239,
    "b": 97
  },
  "hsl": {
    "h": 53.924,
    "s": 100,
    "l": 69.02
  },
  "oklch": {
    "l": 0.93924,
    "c": 0.16005,
    "h": 102.9
  },
  "luminance": 0.83856
}

Semantic roles & 50–950 ramp

primary

#FFEF61

secondary

#2B3CDA

accent

#17E600

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#19170E

muted

#87857F

Preview Lab

Preview with #FFEF61

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

Preview Lab → · Contrast checker → · Palette generator →