#EFF593#EFF593

#EFF593 is a very light, vivid yellow. Relative luminance 0.858; OKLCH L 94.4% C 0.121 H 111.5°. Best body text is #000000 at 18.15:1 contrast (WCAG AA passes).

Color values

HEX	#EFF593
RGB	rgb(239, 245, 147)
HSL	hsl(64, 83%, 77%)
HSV	hsv(64, 40%, 96%)
CMYK	cmyk(2.4%, 0%, 40%, 3.9%)
CIE-LAB	lab(94.21, -16.08, 46.45)
CIE-LCH	lch(94.21, 49.15, 109.09°)
OKLab	oklab(94.45% -0.0445 0.1128)
OKLCH	oklch(94.45% 0.121 111.5)
XYZ	xyz(73.5163, 85.7633, 40.2793)
Luminance	0.8576 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF593 #9993F5

analogous

#F5CA93 #EFF593 #BEF593

triadic

#EFF593 #93EFF5 #F593EF

tetradic

#EFF593 #93F5CA #9993F5 #F593BE

square

#EFF593 #93F5CA #9993F5 #F593BE

split-complementary

#EFF593 #93BEF5 #CA93F5

monochromatic

#DEEB23 #E7F05B #EFF593 #F7FACB #FBFCE3

Accessibility & contrast

On white

1.16

#EFF593 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.15

#EFF593 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF593

18.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF593	#FFFFFF	#000000	##000000
##EFF593	1.00	1.16	18.15	18.15
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.15	21.00	1.00	1.00
##000000	18.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED8B

Deuteranopia (green-blind)

#FFF097

Tritanopia (blue-blind)

#FBEADD

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #eff593;
/* rgb */ color: rgb(239, 245, 147);
/* oklch */ color: oklch(94.4% 0.121 111.5);

Tailwind

colors: {
  custom: {
    50: '#f5f8b4',
    500: '#eff593',
    950: '#000000',
  },
}

SCSS

$custom: #eff593;
$custom-light: #f5f8b4;
$custom-dark: #000000;

JSON

{
  "hex": "#eff593",
  "rgb": {
    "r": 239,
    "g": 245,
    "b": 147
  },
  "hsl": {
    "h": 63.673,
    "s": 83.051,
    "l": 76.863
  },
  "oklch": {
    "l": 0.94446,
    "c": 0.12129,
    "h": 111.5
  },
  "luminance": 0.85762
}

Semantic roles & 50–950 ramp

primary

#EFF593

secondary

#6159D3

accent

#06DF13

background

#FFFFFD

surface

#FFFEF8

border

#D7D6D1

text

#171711

muted

#858581

Preview Lab

Preview with #EFF593

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

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