#EFF85A#EFF85A

#EFF85A is a very light, vivid yellow. Relative luminance 0.862; OKLCH L 94.4% C 0.176 H 112.4°. Best body text is #000000 at 18.24:1 contrast (WCAG AA passes).

Color values

HEX	#EFF85A
RGB	rgb(239, 248, 90)
HSL	hsl(63, 92%, 66%)
HSV	hsv(63, 64%, 97%)
CMYK	cmyk(3.6%, 0%, 63.7%, 2.7%)
CIE-LAB	lab(94.41, -22.20, 71.99)
CIE-LCH	lch(94.41, 75.34, 107.14°)
OKLab	oklab(94.42% -0.0672 0.1628)
OKLCH	oklch(94.42% 0.176 112.4)
XYZ	xyz(71.0115, 86.2253, 22.5733)
Luminance	0.8622 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF85A #635AF8

analogous

#F8B25A #EFF85A #A0F85A

triadic

#EFF85A #5AEFF8 #F85AEF

tetradic

#EFF85A #5AF8B2 #635AF8 #F85AA0

square

#EFF85A #5AF8B2 #635AF8 #F85AA0

split-complementary

#EFF85A #5AA0F8 #B25AF8

monochromatic

#C4CF09 #E9F61F #EFF85A #F5FA95 #FAFDCF

Accessibility & contrast

On white

1.15

#EFF85A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.24

#EFF85A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF85A

18.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF85A	#FFFFFF	#000000	##000000
##EFF85A	1.00	1.15	18.24	18.24
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.24	21.00	1.00	1.00
##000000	18.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED45

Deuteranopia (green-blind)

#FFF165

Tritanopia (blue-blind)

#FEEAD8

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #eff85a;
/* rgb */ color: rgb(239, 248, 90);
/* oklch */ color: oklch(94.4% 0.176 112.4);

Tailwind

colors: {
  custom: {
    50: '#f8fa90',
    500: '#eff85a',
    950: '#000000',
  },
}

SCSS

$custom: #eff85a;
$custom-light: #f8fa90;
$custom-dark: #000000;

JSON

{
  "hex": "#eff85a",
  "rgb": {
    "r": 239,
    "g": 248,
    "b": 90
  },
  "hsl": {
    "h": 63.418,
    "s": 91.86,
    "l": 66.275
  },
  "oklch": {
    "l": 0.94415,
    "c": 0.17614,
    "h": 112.4
  },
  "luminance": 0.86224
}

Semantic roles & 50–950 ramp

primary

#EFF85A

secondary

#352CCA

accent

#00E60D

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #EFF85A

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

Preview Lab → · Contrast checker → · Palette generator →