#FFEF6B#FFEF6B

#FFEF6B is a very light, vivid yellow. Relative luminance 0.841; OKLCH L 94.0% C 0.152 H 102.4°. Best body text is #000000 at 17.81:1 contrast (WCAG AA passes).

Color values

HEX	#FFEF6B
RGB	rgb(255, 239, 107)
HSL	hsl(54, 100%, 71%)
HSV	hsv(54, 58%, 100%)
CMYK	cmyk(0%, 6.3%, 58%, 0%)
CIE-LAB	lab(93.48, -10.33, 64.36)
CIE-LCH	lch(93.48, 65.19, 99.11°)
OKLab	oklab(94.02% -0.0328 0.1485)
OKLCH	oklch(94.02% 0.152 102.4)
XYZ	xyz(74.7630, 84.0573, 26.1936)
Luminance	0.8406 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FFEF6B #6B7BFF

analogous

#FFA56B #FFEF6B #C5FF6B

triadic

#FFEF6B #6BFFEF #EF6BFF

tetradic

#FFEF6B #6BFFA5 #6B7BFF #FF6BC5

square

#FFEF6B #6BFFA5 #6B7BFF #FF6BC5

split-complementary

#FFEF6B #6BC5FF #A56BFF

monochromatic

#F0D600 #FFE82E #FFEF6B #FFF6A8 #FFFCE0

Accessibility & contrast

On white

1.18

#FFEF6B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.81

#FFEF6B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFEF6B

17.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FFEF6B	#FFFFFF	#000000	##000000
##FFEF6B	1.00	1.18	17.81	17.81
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.81	21.00	1.00	1.00
##000000	17.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE85D

Deuteranopia (green-blind)

#FFF072

Tritanopia (blue-blind)

#FFE0D2

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #ffef6b;
/* rgb */ color: rgb(255, 239, 107);
/* oklch */ color: oklch(94.0% 0.152 102.4);

Tailwind

colors: {
  custom: {
    50: '#fff49a',
    500: '#ffef6b',
    950: '#000000',
  },
}

SCSS

$custom: #ffef6b;
$custom-light: #fff49a;
$custom-dark: #000000;

JSON

{
  "hex": "#ffef6b",
  "rgb": {
    "r": 255,
    "g": 239,
    "b": 107
  },
  "hsl": {
    "h": 53.514,
    "s": 100,
    "l": 70.98
  },
  "oklch": {
    "l": 0.9402,
    "c": 0.1521,
    "h": 102.4
  },
  "luminance": 0.84055
}

Semantic roles & 50–950 ramp

primary

#FFEF6B

secondary

#3345DB

accent

#19E600

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #FFEF6B

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

Preview Lab → · Contrast checker → · Palette generator →