#EFEA59#EFEA59

#EFEA59 is a very light, vivid yellow. Relative luminance 0.779; OKLCH L 91.5% C 0.163 H 107.3°. Best body text is #000000 at 16.58:1 contrast (WCAG AA passes).

Color values

HEX	#EFEA59
RGB	rgb(239, 234, 89)
HSL	hsl(58, 82%, 64%)
HSV	hsv(58, 63%, 94%)
CMYK	cmyk(0%, 2.1%, 62.8%, 6.3%)
CIE-LAB	lab(90.74, -15.50, 68.54)
CIE-LCH	lch(90.74, 70.27, 102.74°)
OKLab	oklab(91.49% -0.0485 0.1554)
OKLCH	oklch(91.49% 0.163 107.3)
XYZ	xyz(66.8249, 77.9197, 20.9692)
Luminance	0.7792 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFEA59 #595EEF

analogous

#EF9F59 #EFEA59 #A9EF59

triadic

#EFEA59 #59EFEA #EA59EF

tetradic

#EFEA59 #59EF9F #595EEF #EF59A9

square

#EFEA59 #59EF9F #595EEF #EF59A9

split-complementary

#EFEA59 #59A9EF #9F59EF

monochromatic

#BCB612 #EAE321 #EFEA59 #F4F191 #FAF8C9

Accessibility & contrast

On white

1.27

#EFEA59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.58

#EFEA59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFEA59

16.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFEA59	#FFFFFF	#000000	##000000
##EFEA59	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)

#FCE147

Deuteranopia (green-blind)

#FFE762

Tritanopia (blue-blind)

#FFDCCC

Achromatopsia (no color)

#E4E4E4

Design tokens & code

CSS

--color: #efea59;
/* rgb */ color: rgb(239, 234, 89);
/* oklch */ color: oklch(91.5% 0.163 107.3);

Tailwind

colors: {
  custom: {
    50: '#f7f08e',
    500: '#efea59',
    950: '#000000',
  },
}

SCSS

$custom: #efea59;
$custom-light: #f7f08e;
$custom-dark: #000000;

JSON

{
  "hex": "#efea59",
  "rgb": {
    "r": 239,
    "g": 234,
    "b": 89
  },
  "hsl": {
    "h": 58,
    "s": 82.418,
    "l": 64.314
  },
  "oklch": {
    "l": 0.91486,
    "c": 0.16277,
    "h": 107.3
  },
  "luminance": 0.77918
}

Semantic roles & 50–950 ramp

primary

#EFEA59

secondary

#3237BA

accent

#0EDF07

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18160D

muted

#86857F

Preview Lab

Preview with #EFEA59

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

Preview Lab → · Contrast checker → · Palette generator →