#EFF17A#EFF17A

#EFF17A is a very light, vivid yellow. Relative luminance 0.827; OKLCH L 93.3% C 0.142 H 109.7°. Best body text is #000000 at 17.53:1 contrast (WCAG AA passes).

Color values

HEX	#EFF17A
RGB	rgb(239, 241, 122)
HSL	hsl(61, 81%, 71%)
HSV	hsv(61, 49%, 95%)
CMYK	cmyk(0.8%, 0%, 49.4%, 5.5%)
CIE-LAB	lab(92.87, -16.51, 56.63)
CIE-LCH	lch(92.87, 58.99, 106.26°)
OKLab	oklab(93.28% -0.0479 0.1337)
OKLCH	oklch(93.28% 0.142 109.7)
XYZ	xyz(70.5663, 82.6681, 30.6478)
Luminance	0.8267 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF17A #7C7AF1

analogous

#F1B77A #EFF17A #B3F17A

triadic

#EFF17A #7AEFF1 #F17AEF

tetradic

#EFF17A #7AF1B7 #7C7AF1 #F17AB3

square

#EFF17A #7AF1B7 #7C7AF1 #F17AB3

split-complementary

#EFF17A #7AB3F1 #B77AF1

monochromatic

#D6DA17 #E8EB43 #EFF17A #F6F7B1 #FCFCE3

Accessibility & contrast

On white

1.20

#EFF17A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.53

#EFF17A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF17A

17.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF17A	#FFFFFF	#000000	##000000
##EFF17A	1.00	1.20	17.53	17.53
#FFFFFF	1.20	1.00	21.00	21.00
#000000	17.53	21.00	1.00	1.00
##000000	17.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE86F

Deuteranopia (green-blind)

#FFEC80

Tritanopia (blue-blind)

#FDE5D6

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #eff17a;
/* rgb */ color: rgb(239, 241, 122);
/* oklch */ color: oklch(93.3% 0.142 109.7);

Tailwind

colors: {
  custom: {
    50: '#f6f5a3',
    500: '#eff17a',
    950: '#000000',
  },
}

SCSS

$custom: #eff17a;
$custom-light: #f6f5a3;
$custom-dark: #000000;

JSON

{
  "hex": "#eff17a",
  "rgb": {
    "r": 239,
    "g": 241,
    "b": 122
  },
  "hsl": {
    "h": 61.008,
    "s": 80.952,
    "l": 71.176
  },
  "oklch": {
    "l": 0.93279,
    "c": 0.14205,
    "h": 109.7
  },
  "luminance": 0.82666
}

Semantic roles & 50–950 ramp

primary

#EFF17A

secondary

#4644CB

accent

#08DD0C

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#17170F

muted

#858580

Preview Lab

Preview with #EFF17A

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

Preview Lab → · Contrast checker → · Palette generator →