#FFEC4B#FFEC4B

#FFEC4B is a very light, vivid yellow. Relative luminance 0.818; OKLCH L 93.1% C 0.172 H 102.4°. Best body text is #000000 at 17.35:1 contrast (WCAG AA passes).

Color values

HEX	#FFEC4B
RGB	rgb(255, 236, 75)
HSL	hsl(54, 100%, 65%)
HSV	hsv(54, 71%, 100%)
CMYK	cmyk(0%, 7.5%, 70.6%, 0%)
CIE-LAB	lab(92.47, -10.68, 76.01)
CIE-LCH	lch(92.47, 76.76, 98.00°)
OKLab	oklab(93.14% -0.0371 0.1685)
OKLCH	oklch(93.14% 0.172 102.4)
XYZ	xyz(72.5086, 81.7620, 18.6176)
Luminance	0.8176 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FFEC4B #4B5EFF

analogous

#FF924B #FFEC4B #B8FF4B

triadic

#FFEC4B #4BFFEC #EC4BFF

tetradic

#FFEC4B #4BFF92 #4B5EFF #FF4BB8

square

#FFEC4B #4BFF92 #4B5EFF #FF4BB8

split-complementary

#FFEC4B #4BB8FF #924BFF

monochromatic

#D0BA00 #FFE60E #FFEC4B #FFF288 #FFF9C5

Accessibility & contrast

On white

1.21

#FFEC4B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.35

#FFEC4B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFEC4B

17.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FFEC4B	#FFFFFF	#000000	##000000
##FFEC4B	1.00	1.21	17.35	17.35
#FFFFFF	1.21	1.00	21.00	21.00
#000000	17.35	21.00	1.00	1.00
##000000	17.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE530

Deuteranopia (green-blind)

#FFED56

Tritanopia (blue-blind)

#FFDCCC

Achromatopsia (no color)

#E9E9E9

Design tokens & code

CSS

--color: #ffec4b;
/* rgb */ color: rgb(255, 236, 75);
/* oklch */ color: oklch(93.1% 0.172 102.4);

Tailwind

colors: {
  custom: {
    50: '#fff187',
    500: '#ffec4b',
    950: '#000000',
  },
}

SCSS

$custom: #ffec4b;
$custom-light: #fff187;
$custom-dark: #000000;

JSON

{
  "hex": "#ffec4b",
  "rgb": {
    "r": 255,
    "g": 236,
    "b": 75
  },
  "hsl": {
    "h": 53.667,
    "s": 100,
    "l": 64.706
  },
  "oklch": {
    "l": 0.93144,
    "c": 0.17249,
    "h": 102.4
  },
  "luminance": 0.81759
}

Semantic roles & 50–950 ramp

primary

#FFEC4B

secondary

#2435CA

accent

#18E600

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#19160C

muted

#87857F

Preview Lab

Preview with #FFEC4B

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

Preview Lab → · Contrast checker → · Palette generator →