#EFFA4C#EFFA4C

#EFFA4C is a very light, vivid yellow. Relative luminance 0.872; OKLCH L 94.7% C 0.187 H 113.0°. Best body text is #000000 at 18.45:1 contrast (WCAG AA passes).

Color values

HEX	#EFFA4C
RGB	rgb(239, 250, 76)
HSL	hsl(64, 95%, 64%)
HSV	hsv(64, 70%, 98%)
CMYK	cmyk(4.4%, 0%, 69.6%, 2%)
CIE-LAB	lab(94.84, -23.91, 77.55)
CIE-LCH	lch(94.84, 81.15, 107.13°)
OKLab	oklab(94.73% -0.0733 0.1724)
OKLCH	oklch(94.73% 0.187 113)
XYZ	xyz(71.0888, 87.2453, 19.9313)
Luminance	0.8724 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFA4C #574CFA

analogous

#FAAE4C #EFFA4C #98FA4C

triadic

#EFFA4C #4CEFFA #FA4CEF

tetradic

#EFFA4C #4CFAAE #574CFA #FA4C98

square

#EFFA4C #4CFAAE #574CFA #FA4C98

split-complementary

#EFFA4C #4C98FA #AE4CFA

monochromatic

#BAC606 #EAF810 #EFFA4C #F4FC88 #FAFDC3

Accessibility & contrast

On white

1.14

#EFFA4C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.45

#EFFA4C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFA4C

18.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFA4C	#FFFFFF	#000000	##000000
##EFFA4C	1.00	1.14	18.45	18.45
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.45	21.00	1.00	1.00
##000000	18.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE2D

Deuteranopia (green-blind)

#FFF259

Tritanopia (blue-blind)

#FFEBD8

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #effa4c;
/* rgb */ color: rgb(239, 250, 76);
/* oklch */ color: oklch(94.7% 0.187 113.0);

Tailwind

colors: {
  custom: {
    50: '#f8fb89',
    500: '#effa4c',
    950: '#000000',
  },
}

SCSS

$custom: #effa4c;
$custom-light: #f8fb89;
$custom-dark: #000000;

JSON

{
  "hex": "#effa4c",
  "rgb": {
    "r": 239,
    "g": 250,
    "b": 76
  },
  "hsl": {
    "h": 63.793,
    "s": 94.565,
    "l": 63.922
  },
  "oklch": {
    "l": 0.94733,
    "c": 0.18732,
    "h": 113
  },
  "luminance": 0.87244
}

Semantic roles & 50–950 ramp

primary

#EFFA4C

secondary

#3128C3

accent

#00E60F

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#18170C

muted

#86857F

Preview Lab

Preview with #EFFA4C

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

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