#EFE05F#EFE05F

#EFE05F is a very light, vivid yellow. Relative luminance 0.725; OKLCH L 89.5% C 0.149 H 102.7°. Best body text is #000000 at 15.50:1 contrast (WCAG AA passes).

Color values

HEX	#EFE05F
RGB	rgb(239, 224, 95)
HSL	hsl(54, 82%, 65%)
HSV	hsv(54, 60%, 94%)
CMYK	cmyk(0%, 6.3%, 60.3%, 6.3%)
CIE-LAB	lab(88.20, -10.18, 63.33)
CIE-LCH	lch(88.20, 64.14, 99.13°)
OKLab	oklab(89.48% -0.0327 0.1452)
OKLCH	oklch(89.48% 0.149 102.7)
XYZ	xyz(64.3202, 72.4907, 21.4283)
Luminance	0.7249 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFE05F #5F6EEF

analogous

#EF985F #EFE05F #B6EF5F

triadic

#EFE05F #5FEFE0 #E05FEF

tetradic

#EFE05F #5FEF98 #5F6EEF #EF5FB6

square

#EFE05F #5FEF98 #5F6EEF #EF5FB6

split-complementary

#EFE05F #5FB6EF #985FEF

monochromatic

#C0AE13 #E9D527 #EFE05F #F5EB97 #FAF6CE

Accessibility & contrast

On white

1.36

#EFE05F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.50

#EFE05F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFE05F

15.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFE05F	#FFFFFF	#000000	##000000
##EFE05F	1.00	1.36	15.50	15.50
#FFFFFF	1.36	1.00	21.00	21.00
#000000	15.50	21.00	1.00	1.00
##000000	15.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F3D950

Deuteranopia (green-blind)

#F7E066

Tritanopia (blue-blind)

#FFD2C4

Achromatopsia (no color)

#DDDDDD

Design tokens & code

CSS

--color: #efe05f;
/* rgb */ color: rgb(239, 224, 95);
/* oklch */ color: oklch(89.5% 0.149 102.7);

Tailwind

colors: {
  custom: {
    50: '#f7e991',
    500: '#efe05f',
    950: '#000000',
  },
}

SCSS

$custom: #efe05f;
$custom-light: #f7e991;
$custom-dark: #000000;

JSON

{
  "hex": "#efe05f",
  "rgb": {
    "r": 239,
    "g": 224,
    "b": 95
  },
  "hsl": {
    "h": 53.75,
    "s": 81.818,
    "l": 65.49
  },
  "oklch": {
    "l": 0.89481,
    "c": 0.14881,
    "h": 102.7
  },
  "luminance": 0.72488
}

Semantic roles & 50–950 ramp

primary

#EFE05F

secondary

#3442BE

accent

#1EDE07

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18160D

muted

#86847F

Preview Lab

Preview with #EFE05F

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

Preview Lab → · Contrast checker → · Palette generator →