#EFDD58#EFDD58

#EFDD58 is a very light, vivid yellow. Relative luminance 0.708; OKLCH L 88.8% C 0.152 H 101.6°. Best body text is #000000 at 15.15:1 contrast (WCAG AA passes).

Color values

HEX	#EFDD58
RGB	rgb(239, 221, 88)
HSL	hsl(53, 83%, 64%)
HSV	hsv(53, 63%, 94%)
CMYK	cmyk(0%, 7.5%, 63.2%, 6.3%)
CIE-LAB	lab(87.37, -9.12, 65.38)
CIE-LCH	lch(87.37, 66.01, 97.95°)
OKLab	oklab(88.8% -0.0305 0.1485)
OKLCH	oklch(88.8% 0.152 101.6)
XYZ	xyz(63.2170, 70.7708, 19.5608)
Luminance	0.7077 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFDD58 #586AEF

analogous

#EF9258 #EFDD58 #B5EF58

triadic

#EFDD58 #58EFDD #DD58EF

tetradic

#EFDD58 #58EF92 #586AEF #EF58B5

square

#EFDD58 #58EF92 #586AEF #EF58B5

split-complementary

#EFDD58 #58B5EF #9258EF

monochromatic

#BBA712 #EAD220 #EFDD58 #F4E890 #FAF4C8

Accessibility & contrast

On white

1.39

#EFDD58 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.15

#EFDD58 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFDD58

15.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFDD58	#FFFFFF	#000000	##000000
##EFDD58	1.00	1.39	15.15	15.15
#FFFFFF	1.39	1.00	21.00	21.00
#000000	15.15	21.00	1.00	1.00
##000000	15.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F0D748

Deuteranopia (green-blind)

#F5DE5F

Tritanopia (blue-blind)

#FFCEC1

Achromatopsia (no color)

#DBDBDB

Design tokens & code

CSS

--color: #efdd58;
/* rgb */ color: rgb(239, 221, 88);
/* oklch */ color: oklch(88.8% 0.152 101.6);

Tailwind

colors: {
  custom: {
    50: '#f8e78d',
    500: '#efdd58',
    950: '#000000',
  },
}

SCSS

$custom: #efdd58;
$custom-light: #f8e78d;
$custom-dark: #000000;

JSON

{
  "hex": "#efdd58",
  "rgb": {
    "r": 239,
    "g": 221,
    "b": 88
  },
  "hsl": {
    "h": 52.848,
    "s": 82.514,
    "l": 64.118
  },
  "oklch": {
    "l": 0.88803,
    "c": 0.15164,
    "h": 101.6
  },
  "luminance": 0.70768
}

Semantic roles & 50–950 ramp

primary

#EFDD58

secondary

#3242BA

accent

#20DF07

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18150D

muted

#86847F

Preview Lab

Preview with #EFDD58

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

Preview Lab → · Contrast checker → · Palette generator →