#EFC54F#EFC54F

#EFC54F is a very light, vivid orange. Relative luminance 0.588; OKLCH L 83.9% C 0.141 H 89.2°. Best body text is #000000 at 12.77:1 contrast (WCAG AA passes).

Color values

HEX	#EFC54F
RGB	rgb(239, 197, 79)
HSL	hsl(44, 83%, 62%)
HSV	hsv(44, 67%, 94%)
CMYK	cmyk(0%, 17.6%, 66.9%, 6.3%)
CIE-LAB	lab(81.21, 2.58, 62.61)
CIE-LCH	lch(81.21, 62.66, 87.64°)
OKLab	oklab(83.9% 0.0021 0.1413)
OKLCH	oklch(83.9% 0.141 89.2)
XYZ	xyz(56.9772, 58.8512, 15.7540)
Luminance	0.5885 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFC54F #4F79EF

analogous

#EF754F #EFC54F #C9EF4F

triadic

#EFC54F #4FEFC5 #C54FEF

tetradic

#EFC54F #4FEF75 #4F79EF #EF4FC9

square

#EFC54F #4FEF75 #4F79EF #EF4FC9

split-complementary

#EFC54F #4FC9EF #754FEF

monochromatic

#B38910 #EAB317 #EFC54F #F4D787 #F9EABF

Accessibility & contrast

On white

1.64

#EFC54F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.77

#EFC54F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFC54F

12.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFC54F	#FFFFFF	#000000	##000000
##EFC54F	1.00	1.64	12.77	12.77
#FFFFFF	1.64	1.00	21.00	21.00
#000000	12.77	21.00	1.00	1.00
##000000	12.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAC340

Deuteranopia (green-blind)

#E5CF54

Tritanopia (blue-blind)

#FFB5AC

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #efc54f;
/* rgb */ color: rgb(239, 197, 79);
/* oklch */ color: oklch(83.9% 0.141 89.2);

Tailwind

colors: {
  custom: {
    50: '#f8d686',
    500: '#efc54f',
    950: '#000000',
  },
}

SCSS

$custom: #efc54f;
$custom-light: #f8d686;
$custom-dark: #000000;

JSON

{
  "hex": "#efc54f",
  "rgb": {
    "r": 239,
    "g": 197,
    "b": 79
  },
  "hsl": {
    "h": 44.25,
    "s": 83.333,
    "l": 62.353
  },
  "oklch": {
    "l": 0.83904,
    "c": 0.14132,
    "h": 89.2
  },
  "luminance": 0.58848
}

Semantic roles & 50–950 ramp

primary

#EFC54F

secondary

#2F52B3

accent

#3FE006

background

#FFFEFB

surface

#FFFBF2

border

#D7D4CC

text

#18140B

muted

#86837E

Preview Lab

Preview with #EFC54F

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

Preview Lab → · Contrast checker → · Palette generator →