#EFE829#EFE829

#EFE829 is a very light, vivid yellow. Relative luminance 0.762; OKLCH L 90.8% C 0.187 H 107.3°. Best body text is #000000 at 16.24:1 contrast (WCAG AA passes).

Color values

HEX	#EFE829
RGB	rgb(239, 232, 41)
HSL	hsl(58, 86%, 55%)
HSV	hsv(58, 83%, 94%)
CMYK	cmyk(0%, 2.9%, 82.8%, 6.3%)
CIE-LAB	lab(89.96, -16.55, 83.23)
CIE-LCH	lch(89.96, 84.86, 101.25°)
OKLab	oklab(90.78% -0.0556 0.1785)
OKLCH	oklch(90.78% 0.187 107.3)
XYZ	xyz(64.8563, 76.2264, 13.3942)
Luminance	0.7622 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFE829 #2930EF

analogous

#EF8529 #EFE829 #93EF29

triadic

#EFE829 #29EFE8 #E829EF

tetradic

#EFE829 #29EF85 #2930EF #EF2993

square

#EFE829 #29EF85 #2930EF #EF2993

split-complementary

#EFE829 #2993EF #8529EF

monochromatic

#938E0B #CCC50F #EFE829 #F3EE62 #F8F49B

Accessibility & contrast

On white

1.29

#EFE829 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.24

#EFE829 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFE829

16.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFE829	#FFFFFF	#000000	##000000
##EFE829	1.00	1.29	16.24	16.24
#FFFFFF	1.29	1.00	21.00	21.00
#000000	16.24	21.00	1.00	1.00
##000000	16.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FCDF00

Deuteranopia (green-blind)

#FFE53D

Tritanopia (blue-blind)

#FFD8C7

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #efe829;
/* rgb */ color: rgb(239, 232, 41);
/* oklch */ color: oklch(90.8% 0.187 107.3);

Tailwind

colors: {
  custom: {
    50: '#f9ee77',
    500: '#efe829',
    950: '#000000',
  },
}

SCSS

$custom: #efe829;
$custom-light: #f9ee77;
$custom-dark: #000000;

JSON

{
  "hex": "#efe829",
  "rgb": {
    "r": 239,
    "g": 232,
    "b": 41
  },
  "hsl": {
    "h": 57.879,
    "s": 86.087,
    "l": 54.902
  },
  "oklch": {
    "l": 0.90783,
    "c": 0.18699,
    "h": 107.3
  },
  "luminance": 0.76224
}

Semantic roles & 50–950 ramp

primary

#EFE829

secondary

#252997

accent

#33FC2C

background

#FFFEFB

surface

#FFFDF2

border

#D7D5CC

text

#18160A

muted

#86847D

Preview Lab

Preview with #EFE829

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

Preview Lab → · Contrast checker → · Palette generator →