#EFE57F#EFE57F

#EFE57F is a very light, vivid yellow. Relative luminance 0.759; OKLCH L 90.9% C 0.124 H 103.6°. Best body text is #000000 at 16.18:1 contrast (WCAG AA passes).

Color values

HEX	#EFE57F
RGB	rgb(239, 229, 127)
HSL	hsl(55, 78%, 72%)
HSV	hsv(55, 47%, 94%)
CMYK	cmyk(0%, 4.2%, 46.9%, 6.3%)
CIE-LAB	lab(89.82, -10.16, 50.63)
CIE-LCH	lch(89.82, 51.64, 101.34°)
OKLab	oklab(90.88% -0.0293 0.121)
OKLCH	oklch(90.88% 0.124 103.6)
XYZ	xyz(67.4483, 75.9237, 31.1763)
Luminance	0.7592 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFE57F #7F89EF

analogous

#EFAD7F #EFE57F #C1EF7F

triadic

#EFE57F #7FEFE5 #E57FEF

tetradic

#EFE57F #7FEFAD #7F89EF #EF7FC1

square

#EFE57F #7FEFAD #7F89EF #EF7FC1

split-complementary

#EFE57F #7FC1EF #AD7FEF

monochromatic

#D9C81B #E8DA49 #EFE57F #F6F0B5 #FCF9E4

Accessibility & contrast

On white

1.30

#EFE57F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.18

#EFE57F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFE57F

16.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFE57F	#FFFFFF	#000000	##000000
##EFE57F	1.00	1.30	16.18	16.18
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.18	21.00	1.00	1.00
##000000	16.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F5DF76

Deuteranopia (green-blind)

#F9E484

Tritanopia (blue-blind)

#FDD9CD

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #efe57f;
/* rgb */ color: rgb(239, 229, 127);
/* oklch */ color: oklch(90.9% 0.124 103.6);

Tailwind

colors: {
  custom: {
    50: '#f6eda6',
    500: '#efe57f',
    950: '#000000',
  },
}

SCSS

$custom: #efe57f;
$custom-light: #f6eda6;
$custom-dark: #000000;

JSON

{
  "hex": "#efe57f",
  "rgb": {
    "r": 239,
    "g": 229,
    "b": 127
  },
  "hsl": {
    "h": 54.643,
    "s": 77.778,
    "l": 71.765
  },
  "oklch": {
    "l": 0.90875,
    "c": 0.12444,
    "h": 103.6
  },
  "luminance": 0.75922
}

Semantic roles & 50–950 ramp

primary

#EFE57F

secondary

#4954C9

accent

#1EDA0B

background

#FFFEFC

surface

#FFFDF6

border

#D7D5D0

text

#17160F

muted

#858480

Preview Lab

Preview with #EFE57F

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

Preview Lab → · Contrast checker → · Palette generator →