#EFCC4F#EFCC4F

#EFCC4F is a very light, vivid yellow. Relative luminance 0.621; OKLCH L 85.3% C 0.145 H 93.3°. Best body text is #000000 at 13.42:1 contrast (WCAG AA passes).

Color values

HEX	#EFCC4F
RGB	rgb(239, 204, 79)
HSL	hsl(47, 83%, 62%)
HSV	hsv(47, 67%, 94%)
CMYK	cmyk(0%, 14.6%, 66.9%, 6.3%)
CIE-LAB	lab(82.97, -1.02, 64.45)
CIE-LCH	lch(82.97, 64.46, 90.91°)
OKLab	oklab(85.29% -0.0083 0.1452)
OKLCH	oklch(85.29% 0.145 93.3)
XYZ	xyz(58.6037, 62.1042, 16.2961)
Luminance	0.6210 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFCC4F #4F72EF

analogous

#EF7C4F #EFCC4F #C2EF4F

triadic

#EFCC4F #4FEFCC #CC4FEF

tetradic

#EFCC4F #4FEF7C #4F72EF #EF4FC2

square

#EFCC4F #4FEF7C #4F72EF #EF4FC2

split-complementary

#EFCC4F #4FC2EF #7C4FEF

monochromatic

#B39010 #EABC17 #EFCC4F #F4DC87 #F9EDBF

Accessibility & contrast

On white

1.56

#EFCC4F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.42

#EFCC4F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFCC4F

13.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFCC4F	#FFFFFF	#000000	##000000
##EFCC4F	1.00	1.56	13.42	13.42
#FFFFFF	1.56	1.00	21.00	21.00
#000000	13.42	21.00	1.00	1.00
##000000	13.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1C93F

Deuteranopia (green-blind)

#EAD355

Tritanopia (blue-blind)

#FFBDB2

Achromatopsia (no color)

#CFCFCF

Design tokens & code

CSS

--color: #efcc4f;
/* rgb */ color: rgb(239, 204, 79);
/* oklch */ color: oklch(85.3% 0.145 93.3);

Tailwind

colors: {
  custom: {
    50: '#f8db86',
    500: '#efcc4f',
    950: '#000000',
  },
}

SCSS

$custom: #efcc4f;
$custom-light: #f8db86;
$custom-dark: #000000;

JSON

{
  "hex": "#efcc4f",
  "rgb": {
    "r": 239,
    "g": 204,
    "b": 79
  },
  "hsl": {
    "h": 46.875,
    "s": 83.333,
    "l": 62.353
  },
  "oklch": {
    "l": 0.85292,
    "c": 0.14544,
    "h": 93.3
  },
  "luminance": 0.62101
}

Semantic roles & 50–950 ramp

primary

#EFCC4F

secondary

#2F4CB3

accent

#35E006

background

#FFFEFC

surface

#FFFBF3

border

#D7D4CD

text

#18140C

muted

#86837F

Preview Lab

Preview with #EFCC4F

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

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