#EFCB64#EFCB64

#EFCB64 is a very light, vivid orange. Relative luminance 0.620; OKLCH L 85.3% C 0.128 H 90.2°. Best body text is #000000 at 13.40:1 contrast (WCAG AA passes).

Color values

HEX	#EFCB64
RGB	rgb(239, 203, 100)
HSL	hsl(44, 81%, 66%)
HSV	hsv(44, 58%, 94%)
CMYK	cmyk(0%, 15.1%, 58.2%, 6.3%)
CIE-LAB	lab(82.91, 0.82, 55.16)
CIE-LCH	lch(82.91, 55.17, 89.15°)
OKLab	oklab(85.3% -0.0005 0.1283)
OKLCH	oklch(85.3% 0.128 90.2)
XYZ	xyz(59.2554, 61.9858, 20.8974)
Luminance	0.6198 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFCB64 #6488EF

analogous

#EF8664 #EFCB64 #CEEF64

triadic

#EFCB64 #64EFCB #CB64EF

tetradic

#EFCB64 #64EF86 #6488EF #EF64CE

square

#EFCB64 #64EF86 #6488EF #EF64CE

split-complementary

#EFCB64 #64CEEF #8664EF

monochromatic

#C49714 #E9B82D #EFCB64 #F5DE9B #FAF0D3

Accessibility & contrast

On white

1.57

#EFCB64 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.40

#EFCB64 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFCB64

13.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFCB64	#FFFFFF	#000000	##000000
##EFCB64	1.00	1.57	13.40	13.40
#FFFFFF	1.57	1.00	21.00	21.00
#000000	13.40	21.00	1.00	1.00
##000000	13.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEC95A

Deuteranopia (green-blind)

#E7D368

Tritanopia (blue-blind)

#FFBDB4

Achromatopsia (no color)

#CECECE

Design tokens & code

CSS

--color: #efcb64;
/* rgb */ color: rgb(239, 203, 100);
/* oklch */ color: oklch(85.3% 0.128 90.2);

Tailwind

colors: {
  custom: {
    50: '#f7da93',
    500: '#efcb64',
    950: '#000000',
  },
}

SCSS

$custom: #efcb64;
$custom-light: #f7da93;
$custom-dark: #000000;

JSON

{
  "hex": "#efcb64",
  "rgb": {
    "r": 239,
    "g": 203,
    "b": 100
  },
  "hsl": {
    "h": 44.46,
    "s": 81.287,
    "l": 66.471
  },
  "oklch": {
    "l": 0.85303,
    "c": 0.12832,
    "h": 90.2
  },
  "luminance": 0.61983
}

Semantic roles & 50–950 ramp

primary

#EFCB64

secondary

#355AC2

accent

#3FDE08

background

#FFFEFC

surface

#FFFBF4

border

#D7D4CE

text

#18140D

muted

#86837F

Preview Lab

Preview with #EFCB64

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

Preview Lab → · Contrast checker → · Palette generator →