#EFF85F#EFF85F

#EFF85F is a very light, vivid yellow. Relative luminance 0.863; OKLCH L 94.5% C 0.173 H 112.5°. Best body text is #000000 at 18.26:1 contrast (WCAG AA passes).

Color values

HEX	#EFF85F
RGB	rgb(239, 248, 95)
HSL	hsl(64, 92%, 67%)
HSV	hsv(64, 62%, 97%)
CMYK	cmyk(3.6%, 0%, 61.7%, 2.7%)
CIE-LAB	lab(94.45, -21.89, 70.06)
CIE-LCH	lch(94.45, 73.40, 107.35°)
OKLab	oklab(94.46% -0.0659 0.1594)
OKLCH	oklch(94.46% 0.173 112.5)
XYZ	xyz(71.2315, 86.3133, 23.7320)
Luminance	0.8631 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF85F #685FF8

analogous

#F8B45F #EFF85F #A3F85F

triadic

#EFF85F #5FEFF8 #F85FEF

tetradic

#EFF85F #5FF8B4 #685FF8 #F85FA3

square

#EFF85F #5FF8B4 #685FF8 #F85FA3

split-complementary

#EFF85F #5FA3F8 #B45FF8

monochromatic

#C7D309 #E9F524 #EFF85F #F5FB9A #FBFDD4

Accessibility & contrast

On white

1.15

#EFF85F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.26

#EFF85F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF85F

18.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF85F	#FFFFFF	#000000	##000000
##EFF85F	1.00	1.15	18.26	18.26
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.26	21.00	1.00	1.00
##000000	18.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED4C

Deuteranopia (green-blind)

#FFF169

Tritanopia (blue-blind)

#FEEAD8

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #eff85f;
/* rgb */ color: rgb(239, 248, 95);
/* oklch */ color: oklch(94.5% 0.173 112.5);

Tailwind

colors: {
  custom: {
    50: '#f7fa93',
    500: '#eff85f',
    950: '#000000',
  },
}

SCSS

$custom: #eff85f;
$custom-light: #f7fa93;
$custom-dark: #000000;

JSON

{
  "hex": "#eff85f",
  "rgb": {
    "r": 239,
    "g": 248,
    "b": 95
  },
  "hsl": {
    "h": 63.529,
    "s": 91.617,
    "l": 67.255
  },
  "oklch": {
    "l": 0.94457,
    "c": 0.17252,
    "h": 112.5
  },
  "luminance": 0.86312
}

Semantic roles & 50–950 ramp

primary

#EFF85F

secondary

#372DCE

accent

#00E60D

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170D

muted

#86857F

Preview Lab

Preview with #EFF85F

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

Preview Lab → · Contrast checker → · Palette generator →