#EFC151#EFC151

#EFC151 is a very light, vivid orange. Relative luminance 0.571; OKLCH L 83.1% C 0.138 H 86.4°. Best body text is #000000 at 12.42:1 contrast (WCAG AA passes).

Color values

HEX	#EFC151
RGB	rgb(239, 193, 81)
HSL	hsl(43, 83%, 63%)
HSV	hsv(43, 66%, 94%)
CMYK	cmyk(0%, 19.2%, 66.1%, 6.3%)
CIE-LAB	lab(80.23, 4.77, 60.72)
CIE-LCH	lch(80.23, 60.90, 85.51°)
OKLab	oklab(83.14% 0.0086 0.1376)
OKLCH	oklch(83.14% 0.138 86.4)
XYZ	xyz(56.1548, 57.0883, 15.8444)
Luminance	0.5708 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFC151 #517FEF

analogous

#EF7251 #EFC151 #CEEF51

triadic

#EFC151 #51EFC1 #C151EF

tetradic

#EFC151 #51EF72 #517FEF #EF51CE

square

#EFC151 #51EF72 #517FEF #EF51CE

split-complementary

#EFC151 #51CEEF #7251EF

monochromatic

#B58511 #EAAD19 #EFC151 #F4D589 #F9E9C1

Accessibility & contrast

On white

1.69

#EFC151 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.42

#EFC151 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFC151

12.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFC151	#FFFFFF	#000000	##000000
##EFC151	1.00	1.69	12.42	12.42
#FFFFFF	1.69	1.00	21.00	21.00
#000000	12.42	21.00	1.00	1.00
##000000	12.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6C044

Deuteranopia (green-blind)

#E2CC56

Tritanopia (blue-blind)

#FFB1A9

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #efc151;
/* rgb */ color: rgb(239, 193, 81);
/* oklch */ color: oklch(83.1% 0.138 86.4);

Tailwind

colors: {
  custom: {
    50: '#f8d387',
    500: '#efc151',
    950: '#000000',
  },
}

SCSS

$custom: #efc151;
$custom-light: #f8d387;
$custom-dark: #000000;

JSON

{
  "hex": "#efc151",
  "rgb": {
    "r": 239,
    "g": 193,
    "b": 81
  },
  "hsl": {
    "h": 42.532,
    "s": 83.158,
    "l": 62.745
  },
  "oklch": {
    "l": 0.83137,
    "c": 0.13788,
    "h": 86.4
  },
  "luminance": 0.57085
}

Semantic roles & 50–950 ramp

primary

#EFC151

secondary

#3056B5

accent

#45E006

background

#FFFEFC

surface

#FFFBF3

border

#D7D4CD

text

#18140C

muted

#86837F

Preview Lab

Preview with #EFC151

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

Preview Lab → · Contrast checker → · Palette generator →