#EFCF4C#EFCF4C

#EFCF4C is a very light, vivid yellow. Relative luminance 0.635; OKLCH L 85.9% C 0.149 H 95.2°. Best body text is #000000 at 13.70:1 contrast (WCAG AA passes).

Color values

HEX	#EFCF4C
RGB	rgb(239, 207, 76)
HSL	hsl(48, 84%, 62%)
HSV	hsv(48, 68%, 94%)
CMYK	cmyk(0%, 13.4%, 68.2%, 6.3%)
CIE-LAB	lab(83.71, -2.72, 66.42)
CIE-LCH	lch(83.71, 66.48, 92.35°)
OKLab	oklab(85.87% -0.0135 0.1489)
OKLCH	oklch(85.87% 0.15 95.2)
XYZ	xyz(59.2169, 63.5013, 15.9740)
Luminance	0.6350 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFCF4C #4C6CEF

analogous

#EF7E4C #EFCF4C #BEEF4C

triadic

#EFCF4C #4CEFCF #CF4CEF

tetradic

#EFCF4C #4CEF7E #4C6CEF #EF4CBE

square

#EFCF4C #4CEF7E #4C6CEF #EF4CBE

split-complementary

#EFCF4C #4CBEEF #7E4CEF

monochromatic

#B19110 #E9BF15 #EFCF4C #F4DE84 #F9EDBC

Accessibility & contrast

On white

1.53

#EFCF4C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.70

#EFCF4C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFCF4C

13.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFCF4C	#FFFFFF	#000000	##000000
##EFCF4C	1.00	1.53	13.70	13.70
#FFFFFF	1.53	1.00	21.00	21.00
#000000	13.70	21.00	1.00	1.00
##000000	13.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4CB3A

Deuteranopia (green-blind)

#ECD553

Tritanopia (blue-blind)

#FFBFB4

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #efcf4c;
/* rgb */ color: rgb(239, 207, 76);
/* oklch */ color: oklch(85.9% 0.149 95.2);

Tailwind

colors: {
  custom: {
    50: '#f8dd85',
    500: '#efcf4c',
    950: '#000000',
  },
}

SCSS

$custom: #efcf4c;
$custom-light: #f8dd85;
$custom-dark: #000000;

JSON

{
  "hex": "#efcf4c",
  "rgb": {
    "r": 239,
    "g": 207,
    "b": 76
  },
  "hsl": {
    "h": 48.221,
    "s": 83.59,
    "l": 61.765
  },
  "oklch": {
    "l": 0.85867,
    "c": 0.1495,
    "h": 95.2
  },
  "luminance": 0.63498
}

Semantic roles & 50–950 ramp

primary

#EFCF4C

secondary

#2E48B1

accent

#30E005

background

#FFFEFB

surface

#FFFCF2

border

#D7D5CC

text

#18150B

muted

#86847E

Preview Lab

Preview with #EFCF4C

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

Preview Lab → · Contrast checker → · Palette generator →