#EFD863#EFD863

#EFD863 is a very light, vivid yellow. Relative luminance 0.684; OKLCH L 87.9% C 0.139 H 98.3°. Best body text is #000000 at 14.67:1 contrast (WCAG AA passes).

Color values

HEX	#EFD863
RGB	rgb(239, 216, 99)
HSL	hsl(50, 81%, 66%)
HSV	hsv(50, 59%, 94%)
CMYK	cmyk(0%, 9.6%, 58.6%, 6.3%)
CIE-LAB	lab(86.19, -5.89, 59.35)
CIE-LCH	lch(86.19, 59.64, 95.67°)
OKLab	oklab(87.9% -0.02 0.1372)
OKLCH	oklch(87.9% 0.139 98.3)
XYZ	xyz(62.4070, 68.3660, 21.7107)
Luminance	0.6836 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFD863 #637AEF

analogous

#EF9263 #EFD863 #C0EF63

triadic

#EFD863 #63EFD8 #D863EF

tetradic

#EFD863 #63EF92 #637AEF #EF63C0

square

#EFD863 #63EF92 #637AEF #EF63C0

split-complementary

#EFD863 #63C0EF #9263EF

monochromatic

#C4A714 #E9CA2B #EFD863 #F5E69B #FAF4D2

Accessibility & contrast

On white

1.43

#EFD863 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.67

#EFD863 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFD863

14.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFD863	#FFFFFF	#000000	##000000
##EFD863	1.00	1.43	14.67	14.67
#FFFFFF	1.43	1.00	21.00	21.00
#000000	14.67	21.00	1.00	1.00
##000000	14.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EBD357

Deuteranopia (green-blind)

#F1DB69

Tritanopia (blue-blind)

#FFCABE

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #efd863;
/* rgb */ color: rgb(239, 216, 99);
/* oklch */ color: oklch(87.9% 0.139 98.3);

Tailwind

colors: {
  custom: {
    50: '#f7e393',
    500: '#efd863',
    950: '#000000',
  },
}

SCSS

$custom: #efd863;
$custom-light: #f7e393;
$custom-dark: #000000;

JSON

{
  "hex": "#efd863",
  "rgb": {
    "r": 239,
    "g": 216,
    "b": 99
  },
  "hsl": {
    "h": 50.143,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.87895,
    "c": 0.13863,
    "h": 98.3
  },
  "luminance": 0.68363
}

Semantic roles & 50–950 ramp

primary

#EFD863

secondary

#354CC1

accent

#2BDE08

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18150D

muted

#86847F

Preview Lab

Preview with #EFD863

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

Preview Lab → · Contrast checker → · Palette generator →