#EFE463#EFE463

#EFE463 is a very light, vivid yellow. Relative luminance 0.747; OKLCH L 90.3% C 0.149 H 104.4°. Best body text is #000000 at 15.95:1 contrast (WCAG AA passes).

Color values

HEX	#EFE463
RGB	rgb(239, 228, 99)
HSL	hsl(55, 81%, 66%)
HSV	hsv(55, 59%, 94%)
CMYK	cmyk(0%, 4.6%, 58.6%, 6.3%)
CIE-LAB	lab(89.27, -11.90, 62.78)
CIE-LCH	lch(89.27, 63.90, 100.73°)
OKLab	oklab(90.34% -0.0372 0.1445)
OKLCH	oklch(90.34% 0.149 104.4)
XYZ	xyz(65.5944, 74.7407, 22.7731)
Luminance	0.7474 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFE463 #636EEF

analogous

#EF9E63 #EFE463 #B4EF63

triadic

#EFE463 #63EFE4 #E463EF

tetradic

#EFE463 #63EF9E #636EEF #EF63B4

square

#EFE463 #63EF9E #636EEF #EF63B4

split-complementary

#EFE463 #63B4EF #9E63EF

monochromatic

#C4B614 #E9DA2B #EFE463 #F5EE9B #FAF7D2

Accessibility & contrast

On white

1.32

#EFE463 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.95

#EFE463 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFE463

15.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFE463	#FFFFFF	#000000	##000000
##EFE463	1.00	1.32	15.95	15.95
#FFFFFF	1.32	1.00	21.00	21.00
#000000	15.95	21.00	1.00	1.00
##000000	15.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F6DD55

Deuteranopia (green-blind)

#FAE36A

Tritanopia (blue-blind)

#FFD6C8

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #efe463;
/* rgb */ color: rgb(239, 228, 99);
/* oklch */ color: oklch(90.3% 0.149 104.4);

Tailwind

colors: {
  custom: {
    50: '#f7ec94',
    500: '#efe463',
    950: '#000000',
  },
}

SCSS

$custom: #efe463;
$custom-light: #f7ec94;
$custom-dark: #000000;

JSON

{
  "hex": "#efe463",
  "rgb": {
    "r": 239,
    "g": 228,
    "b": 99
  },
  "hsl": {
    "h": 55.286,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.90341,
    "c": 0.14923,
    "h": 104.4
  },
  "luminance": 0.74738
}

Semantic roles & 50–950 ramp

primary

#EFE463

secondary

#3540C1

accent

#19DE08

background

#FFFEFC

surface

#FFFDF5

border

#D7D5CF

text

#18160D

muted

#86847F

Preview Lab

Preview with #EFE463

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

Preview Lab → · Contrast checker → · Palette generator →