#EFEA58#EFEA58

#EFEA58 is a very light, vivid yellow. Relative luminance 0.779; OKLCH L 91.5% C 0.164 H 107.3°. Best body text is #000000 at 16.58:1 contrast (WCAG AA passes).

Color values

HEX	#EFEA58
RGB	rgb(239, 234, 88)
HSL	hsl(58, 83%, 64%)
HSV	hsv(58, 63%, 94%)
CMYK	cmyk(0%, 2.1%, 63.2%, 6.3%)
CIE-LAB	lab(90.74, -15.56, 68.93)
CIE-LCH	lch(90.74, 70.67, 102.72°)
OKLab	oklab(91.48% -0.0487 0.1561)
OKLCH	oklch(91.48% 0.164 107.3)
XYZ	xyz(66.7832, 77.9031, 20.7495)
Luminance	0.7790 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFEA58 #585DEF

analogous

#EF9F58 #EFEA58 #A9EF58

triadic

#EFEA58 #58EFEA #EA58EF

tetradic

#EFEA58 #58EF9F #585DEF #EF58A9

square

#EFEA58 #58EF9F #585DEF #EF58A9

split-complementary

#EFEA58 #58A9EF #9F58EF

monochromatic

#BBB512 #EAE320 #EFEA58 #F4F190 #FAF8C8

Accessibility & contrast

On white

1.27

#EFEA58 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.58

#EFEA58 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFEA58

16.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFEA58	#FFFFFF	#000000	##000000
##EFEA58	1.00	1.27	16.58	16.58
#FFFFFF	1.27	1.00	21.00	21.00
#000000	16.58	21.00	1.00	1.00
##000000	16.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FCE145

Deuteranopia (green-blind)

#FFE761

Tritanopia (blue-blind)

#FFDCCC

Achromatopsia (no color)

#E4E4E4

Design tokens & code

CSS

--color: #efea58;
/* rgb */ color: rgb(239, 234, 88);
/* oklch */ color: oklch(91.5% 0.164 107.3);

Tailwind

colors: {
  custom: {
    50: '#f8f08e',
    500: '#efea58',
    950: '#000000',
  },
}

SCSS

$custom: #efea58;
$custom-light: #f8f08e;
$custom-dark: #000000;

JSON

{
  "hex": "#efea58",
  "rgb": {
    "r": 239,
    "g": 234,
    "b": 88
  },
  "hsl": {
    "h": 58.013,
    "s": 82.514,
    "l": 64.118
  },
  "oklch": {
    "l": 0.91477,
    "c": 0.1635,
    "h": 107.3
  },
  "luminance": 0.77901
}

Semantic roles & 50–950 ramp

primary

#EFEA58

secondary

#3236BA

accent

#0EDF07

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18160D

muted

#86857F

Preview Lab

Preview with #EFEA58

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

Preview Lab → · Contrast checker → · Palette generator →