#EFE458#EFE458

#EFE458 is a very light, vivid yellow. Relative luminance 0.745; OKLCH L 90.2% C 0.158 H 104.8°. Best body text is #000000 at 15.91:1 contrast (WCAG AA passes).

Color values

HEX	#EFE458
RGB	rgb(239, 228, 88)
HSL	hsl(56, 83%, 64%)
HSV	hsv(56, 63%, 94%)
CMYK	cmyk(0%, 4.6%, 63.2%, 6.3%)
CIE-LAB	lab(89.18, -12.61, 67.30)
CIE-LCH	lch(89.18, 68.47, 100.61°)
OKLab	oklab(90.24% -0.0404 0.1526)
OKLCH	oklch(90.24% 0.158 104.8)
XYZ	xyz(65.1039, 74.5444, 20.1898)
Luminance	0.7454 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFE458 #5863EF

analogous

#EF9958 #EFE458 #AFEF58

triadic

#EFE458 #58EFE4 #E458EF

tetradic

#EFE458 #58EF99 #5863EF #EF58AF

square

#EFE458 #58EF99 #5863EF #EF58AF

split-complementary

#EFE458 #58AFEF #9958EF

monochromatic

#BBAE12 #EADB20 #EFE458 #F4ED90 #FAF6C8

Accessibility & contrast

On white

1.32

#EFE458 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.91

#EFE458 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFE458

15.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFE458	#FFFFFF	#000000	##000000
##EFE458	1.00	1.32	15.91	15.91
#FFFFFF	1.32	1.00	21.00	21.00
#000000	15.91	21.00	1.00	1.00
##000000	15.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F7DC46

Deuteranopia (green-blind)

#FBE360

Tritanopia (blue-blind)

#FFD5C7

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #efe458;
/* rgb */ color: rgb(239, 228, 88);
/* oklch */ color: oklch(90.2% 0.158 104.8);

Tailwind

colors: {
  custom: {
    50: '#f8ec8d',
    500: '#efe458',
    950: '#000000',
  },
}

SCSS

$custom: #efe458;
$custom-light: #f8ec8d;
$custom-dark: #000000;

JSON

{
  "hex": "#efe458",
  "rgb": {
    "r": 239,
    "g": 228,
    "b": 88
  },
  "hsl": {
    "h": 55.629,
    "s": 82.514,
    "l": 64.118
  },
  "oklch": {
    "l": 0.90238,
    "c": 0.15785,
    "h": 104.8
  },
  "luminance": 0.74542
}

Semantic roles & 50–950 ramp

primary

#EFE458

secondary

#323CBA

accent

#16DF07

background

#FFFEFC

surface

#FFFDF4

border

#D7D5CE

text

#18160D

muted

#86847F

Preview Lab

Preview with #EFE458

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

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