#EFC84F#EFC84F

#EFC84F is a very light, vivid yellow. Relative luminance 0.602; OKLCH L 84.5% C 0.143 H 91.0°. Best body text is #000000 at 13.04:1 contrast (WCAG AA passes).

Color values

HEX	#EFC84F
RGB	rgb(239, 200, 79)
HSL	hsl(45, 83%, 62%)
HSV	hsv(45, 67%, 94%)
CMYK	cmyk(0%, 16.3%, 66.9%, 6.3%)
CIE-LAB	lab(81.96, 1.03, 63.40)
CIE-LCH	lch(81.96, 63.40, 89.07°)
OKLab	oklab(84.5% -0.0024 0.143)
OKLCH	oklch(84.5% 0.143 91)
XYZ	xyz(57.6652, 60.2271, 15.9833)
Luminance	0.6022 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFC84F #4F76EF

analogous

#EF784F #EFC84F #C6EF4F

triadic

#EFC84F #4FEFC8 #C84FEF

tetradic

#EFC84F #4FEF78 #4F76EF #EF4FC6

square

#EFC84F #4FEF78 #4F76EF #EF4FC6

split-complementary

#EFC84F #4FC6EF #784FEF

monochromatic

#B38C10 #EAB617 #EFC84F #F4DA87 #F9EBBF

Accessibility & contrast

On white

1.61

#EFC84F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.04

#EFC84F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFC84F

13.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFC84F	#FFFFFF	#000000	##000000
##EFC84F	1.00	1.61	13.04	13.04
#FFFFFF	1.61	1.00	21.00	21.00
#000000	13.04	21.00	1.00	1.00
##000000	13.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC540

Deuteranopia (green-blind)

#E7D055

Tritanopia (blue-blind)

#FFB8AF

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #efc84f;
/* rgb */ color: rgb(239, 200, 79);
/* oklch */ color: oklch(84.5% 0.143 91.0);

Tailwind

colors: {
  custom: {
    50: '#f8d886',
    500: '#efc84f',
    950: '#000000',
  },
}

SCSS

$custom: #efc84f;
$custom-light: #f8d886;
$custom-dark: #000000;

JSON

{
  "hex": "#efc84f",
  "rgb": {
    "r": 239,
    "g": 200,
    "b": 79
  },
  "hsl": {
    "h": 45.375,
    "s": 83.333,
    "l": 62.353
  },
  "oklch": {
    "l": 0.84496,
    "c": 0.14299,
    "h": 91
  },
  "luminance": 0.60224
}

Semantic roles & 50–950 ramp

primary

#EFC84F

secondary

#2F4FB3

accent

#3BE006

background

#FFFEFC

surface

#FFFBF3

border

#D7D4CD

text

#18140C

muted

#86837F

Preview Lab

Preview with #EFC84F

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

Preview Lab → · Contrast checker → · Palette generator →