#EFD257#EFD257

#EFD257 is a very light, vivid yellow. Relative luminance 0.651; OKLCH L 86.6% C 0.144 H 95.9°. Best body text is #000000 at 14.03:1 contrast (WCAG AA passes).

Color values

HEX	#EFD257
RGB	rgb(239, 210, 87)
HSL	hsl(49, 83%, 64%)
HSV	hsv(49, 64%, 94%)
CMYK	cmyk(0%, 12.1%, 63.6%, 6.3%)
CIE-LAB	lab(84.55, -3.63, 62.78)
CIE-LCH	lch(84.55, 62.88, 93.31°)
OKLab	oklab(86.57% -0.0149 0.1429)
OKLCH	oklch(86.57% 0.144 95.9)
XYZ	xyz(60.3662, 65.1350, 18.4076)
Luminance	0.6513 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFD257 #5774EF

analogous

#EF8657 #EFD257 #C0EF57

triadic

#EFD257 #57EFD2 #D257EF

tetradic

#EFD257 #57EF86 #5774EF #EF57C0

square

#EFD257 #57EF86 #5774EF #EF57C0

split-complementary

#EFD257 #57C0EF #8657EF

monochromatic

#BA9A12 #EAC31F #EFD257 #F4E18F #FAF0C7

Accessibility & contrast

On white

1.50

#EFD257 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.03

#EFD257 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFD257

14.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFD257	#FFFFFF	#000000	##000000
##EFD257	1.00	1.50	14.03	14.03
#FFFFFF	1.50	1.00	21.00	21.00
#000000	14.03	21.00	1.00	1.00
##000000	14.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6CE49

Deuteranopia (green-blind)

#EDD75D

Tritanopia (blue-blind)

#FFC3B8

Achromatopsia (no color)

#D3D3D3

Design tokens & code

CSS

--color: #efd257;
/* rgb */ color: rgb(239, 210, 87);
/* oklch */ color: oklch(86.6% 0.144 95.9);

Tailwind

colors: {
  custom: {
    50: '#f8df8b',
    500: '#efd257',
    950: '#000000',
  },
}

SCSS

$custom: #efd257;
$custom-light: #f8df8b;
$custom-dark: #000000;

JSON

{
  "hex": "#efd257",
  "rgb": {
    "r": 239,
    "g": 210,
    "b": 87
  },
  "hsl": {
    "h": 48.553,
    "s": 82.609,
    "l": 63.922
  },
  "oklch": {
    "l": 0.86565,
    "c": 0.14366,
    "h": 95.9
  },
  "luminance": 0.65132
}

Semantic roles & 50–950 ramp

primary

#EFD257

secondary

#314BB9

accent

#30DF06

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18150C

muted

#86847F

Preview Lab

Preview with #EFD257

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

Preview Lab → · Contrast checker → · Palette generator →