#EFE37C#EFE37C

#EFE37C is a very light, vivid yellow. Relative luminance 0.747; OKLCH L 90.4% C 0.125 H 102.7°. Best body text is #000000 at 15.95:1 contrast (WCAG AA passes).

Color values

HEX	#EFE37C
RGB	rgb(239, 227, 124)
HSL	hsl(54, 78%, 71%)
HSV	hsv(54, 48%, 94%)
CMYK	cmyk(0%, 5%, 48.1%, 6.3%)
CIE-LAB	lab(89.27, -9.43, 51.40)
CIE-LCH	lch(89.27, 52.25, 100.40°)
OKLab	oklab(90.43% -0.0275 0.1224)
OKLCH	oklch(90.43% 0.125 102.7)
XYZ	xyz(66.7056, 74.7462, 29.9785)
Luminance	0.7474 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFE37C #7C88EF

analogous

#EFA97C #EFE37C #C1EF7C

triadic

#EFE37C #7CEFE3 #E37CEF

tetradic

#EFE37C #7CEFA9 #7C88EF #EF7CC1

square

#EFE37C #7CEFA9 #7C88EF #EF7CC1

split-complementary

#EFE37C #7CC1EF #A97CEF

monochromatic

#D6C31A #E8D745 #EFE37C #F6EFB3 #FCF9E4

Accessibility & contrast

On white

1.32

#EFE37C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.95

#EFE37C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFE37C

15.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFE37C	#FFFFFF	#000000	##000000
##EFE37C	1.00	1.32	15.95	15.95
#FFFFFF	1.32	1.00	21.00	21.00
#000000	15.95	21.00	1.00	1.00
##000000	15.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F3DD73

Deuteranopia (green-blind)

#F7E381

Tritanopia (blue-blind)

#FED7CB

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #efe37c;
/* rgb */ color: rgb(239, 227, 124);
/* oklch */ color: oklch(90.4% 0.125 102.7);

Tailwind

colors: {
  custom: {
    50: '#f6eba4',
    500: '#efe37c',
    950: '#000000',
  },
}

SCSS

$custom: #efe37c;
$custom-light: #f6eba4;
$custom-dark: #000000;

JSON

{
  "hex": "#efe37c",
  "rgb": {
    "r": 239,
    "g": 227,
    "b": 124
  },
  "hsl": {
    "h": 53.739,
    "s": 78.231,
    "l": 71.176
  },
  "oklch": {
    "l": 0.90427,
    "c": 0.12545,
    "h": 102.7
  },
  "luminance": 0.74744
}

Semantic roles & 50–950 ramp

primary

#EFE37C

secondary

#4654C9

accent

#21DA0B

background

#FFFEFC

surface

#FFFDF6

border

#D7D5D0

text

#17160F

muted

#858480

Preview Lab

Preview with #EFE37C

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

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