#EFF97A#EFF97A

#EFF97A is a very light, vivid yellow. Relative luminance 0.875; OKLCH L 94.9% C 0.151 H 113.0°. Best body text is #000000 at 18.50:1 contrast (WCAG AA passes).

Color values

HEX	#EFF97A
RGB	rgb(239, 249, 122)
HSL	hsl(65, 91%, 73%)
HSV	hsv(65, 51%, 98%)
CMYK	cmyk(4%, 0%, 51%, 2.4%)
CIE-LAB	lab(94.95, -20.38, 59.09)
CIE-LCH	lch(94.95, 62.50, 109.03°)
OKLab	oklab(94.94% -0.0589 0.139)
OKLCH	oklch(94.94% 0.151 113)
XYZ	xyz(72.9865, 87.5085, 31.4546)
Luminance	0.8751 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF97A #847AF9

analogous

#F9C37A #EFF97A #B0F97A

triadic

#EFF97A #7AEFF9 #F97AEF

tetradic

#EFF97A #7AF9C3 #847AF9 #F97AB0

square

#EFF97A #7AF9C3 #847AF9 #F97AB0

split-complementary

#EFF97A #7AB0F9 #C37AF9

monochromatic

#DCEE0B #E8F63F #EFF97A #F6FCB5 #FBFEE2

Accessibility & contrast

On white

1.14

#EFF97A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.50

#EFF97A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF97A

18.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF97A	#FFFFFF	#000000	##000000
##EFF97A	1.00	1.14	18.50	18.50
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.50	21.00	1.00	1.00
##000000	18.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEF6E

Deuteranopia (green-blind)

#FFF281

Tritanopia (blue-blind)

#FCECDC

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #eff97a;
/* rgb */ color: rgb(239, 249, 122);
/* oklch */ color: oklch(94.9% 0.151 113.0);

Tailwind

colors: {
  custom: {
    50: '#f6fba4',
    500: '#eff97a',
    950: '#000000',
  },
}

SCSS

$custom: #eff97a;
$custom-light: #f6fba4;
$custom-dark: #000000;

JSON

{
  "hex": "#eff97a",
  "rgb": {
    "r": 239,
    "g": 249,
    "b": 122
  },
  "hsl": {
    "h": 64.724,
    "s": 91.367,
    "l": 72.745
  },
  "oklch": {
    "l": 0.94942,
    "c": 0.15102,
    "h": 113
  },
  "luminance": 0.87507
}

Semantic roles & 50–950 ramp

primary

#EFF97A

secondary

#4D42D5

accent

#00E612

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#17170F

muted

#858580

Preview Lab

Preview with #EFF97A

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

Preview Lab → · Contrast checker → · Palette generator →