#EFDF58#EFDF58

#EFDF58 is a very light, vivid yellow. Relative luminance 0.718; OKLCH L 89.2% C 0.153 H 102.5°. Best body text is #000000 at 15.37:1 contrast (WCAG AA passes).

Color values

HEX	#EFDF58
RGB	rgb(239, 223, 88)
HSL	hsl(54, 83%, 64%)
HSV	hsv(54, 63%, 94%)
CMYK	cmyk(0%, 6.7%, 63.2%, 6.3%)
CIE-LAB	lab(87.89, -10.12, 65.93)
CIE-LCH	lch(87.89, 66.70, 98.73°)
OKLab	oklab(89.21% -0.0333 0.1497)
OKLCH	oklch(89.21% 0.153 102.5)
XYZ	xyz(63.7482, 71.8332, 19.7379)
Luminance	0.7183 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFDF58 #5868EF

analogous

#EF9458 #EFDF58 #B4EF58

triadic

#EFDF58 #58EFDF #DF58EF

tetradic

#EFDF58 #58EF94 #5868EF #EF58B4

square

#EFDF58 #58EF94 #5868EF #EF58B4

split-complementary

#EFDF58 #58B4EF #9458EF

monochromatic

#BBA912 #EAD420 #EFDF58 #F4EA90 #FAF4C8

Accessibility & contrast

On white

1.37

#EFDF58 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.37

#EFDF58 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFDF58

15.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFDF58	#FFFFFF	#000000	##000000
##EFDF58	1.00	1.37	15.37	15.37
#FFFFFF	1.37	1.00	21.00	21.00
#000000	15.37	21.00	1.00	1.00
##000000	15.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F2D847

Deuteranopia (green-blind)

#F7E060

Tritanopia (blue-blind)

#FFD0C3

Achromatopsia (no color)

#DCDCDC

Design tokens & code

CSS

--color: #efdf58;
/* rgb */ color: rgb(239, 223, 88);
/* oklch */ color: oklch(89.2% 0.153 102.5);

Tailwind

colors: {
  custom: {
    50: '#f8e88d',
    500: '#efdf58',
    950: '#000000',
  },
}

SCSS

$custom: #efdf58;
$custom-light: #f8e88d;
$custom-dark: #000000;

JSON

{
  "hex": "#efdf58",
  "rgb": {
    "r": 239,
    "g": 223,
    "b": 88
  },
  "hsl": {
    "h": 53.642,
    "s": 82.514,
    "l": 64.118
  },
  "oklch": {
    "l": 0.89212,
    "c": 0.15337,
    "h": 102.5
  },
  "luminance": 0.71831
}

Semantic roles & 50–950 ramp

primary

#EFDF58

secondary

#3240BA

accent

#1EDF07

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18160D

muted

#86847F

Preview Lab

Preview with #EFDF58

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

Preview Lab → · Contrast checker → · Palette generator →