#EFE37F#EFE37F

#EFE37F is a very light, vivid yellow. Relative luminance 0.748; OKLCH L 90.5% C 0.122 H 102.5°. Best body text is #000000 at 15.96:1 contrast (WCAG AA passes).

Color values

HEX	#EFE37F
RGB	rgb(239, 227, 127)
HSL	hsl(54, 78%, 72%)
HSV	hsv(54, 47%, 94%)
CMYK	cmyk(0%, 5%, 46.9%, 6.3%)
CIE-LAB	lab(89.31, -9.16, 50.01)
CIE-LCH	lch(89.31, 50.84, 100.38°)
OKLab	oklab(90.47% -0.0264 0.1196)
OKLCH	oklch(90.47% 0.122 102.5)
XYZ	xyz(66.8982, 74.8233, 30.9929)
Luminance	0.7482 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFE37F #7F8BEF

analogous

#EFAB7F #EFE37F #C3EF7F

triadic

#EFE37F #7FEFE3 #E37FEF

tetradic

#EFE37F #7FEFAB #7F8BEF #EF7FC3

square

#EFE37F #7FEFAB #7F8BEF #EF7FC3

split-complementary

#EFE37F #7FC3EF #AB7FEF

monochromatic

#D9C41B #E8D749 #EFE37F #F6EFB5 #FCF9E4

Accessibility & contrast

On white

1.32

#EFE37F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.96

#EFE37F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFE37F

15.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFE37F	#FFFFFF	#000000	##000000
##EFE37F	1.00	1.32	15.96	15.96
#FFFFFF	1.32	1.00	21.00	21.00
#000000	15.96	21.00	1.00	1.00
##000000	15.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F3DD77

Deuteranopia (green-blind)

#F7E383

Tritanopia (blue-blind)

#FED7CB

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #efe37f;
/* rgb */ color: rgb(239, 227, 127);
/* oklch */ color: oklch(90.5% 0.122 102.5);

Tailwind

colors: {
  custom: {
    50: '#f6eba6',
    500: '#efe37f',
    950: '#000000',
  },
}

SCSS

$custom: #efe37f;
$custom-light: #f6eba6;
$custom-dark: #000000;

JSON

{
  "hex": "#efe37f",
  "rgb": {
    "r": 239,
    "g": 227,
    "b": 127
  },
  "hsl": {
    "h": 53.571,
    "s": 77.778,
    "l": 71.765
  },
  "oklch": {
    "l": 0.90467,
    "c": 0.12244,
    "h": 102.5
  },
  "luminance": 0.74821
}

Semantic roles & 50–950 ramp

primary

#EFE37F

secondary

#4957C9

accent

#22DA0B

background

#FFFEFC

surface

#FFFDF6

border

#D7D5D0

text

#17160F

muted

#858480

Preview Lab

Preview with #EFE37F

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

Preview Lab → · Contrast checker → · Palette generator →