#EFF86B#EFF86B

#EFF86B is a very light, vivid yellow. Relative luminance 0.865; OKLCH L 94.6% C 0.163 H 112.5°. Best body text is #000000 at 18.31:1 contrast (WCAG AA passes).

Color values

HEX	#EFF86B
RGB	rgb(239, 248, 107)
HSL	hsl(64, 91%, 70%)
HSV	hsv(64, 57%, 97%)
CMYK	cmyk(3.6%, 0%, 56.9%, 2.7%)
CIE-LAB	lab(94.55, -21.08, 65.21)
CIE-LCH	lch(94.55, 68.53, 107.91°)
OKLab	oklab(94.57% -0.0624 0.1507)
OKLCH	oklch(94.57% 0.163 112.5)
XYZ	xyz(71.8196, 86.5485, 26.8293)
Luminance	0.8655 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF86B #746BF8

analogous

#F8BB6B #EFF86B #A8F86B

triadic

#EFF86B #6BEFF8 #F86BEF

tetradic

#EFF86B #6BF8BB #746BF8 #F86BA8

square

#EFF86B #6BF8BB #746BF8 #F86BA8

split-complementary

#EFF86B #6BA8F8 #BB6BF8

monochromatic

#D1DE0B #E9F531 #EFF86B #F5FBA5 #FCFEE0

Accessibility & contrast

On white

1.15

#EFF86B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.31

#EFF86B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF86B

18.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF86B	#FFFFFF	#000000	##000000
##EFF86B	1.00	1.15	18.31	18.31
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.31	21.00	1.00	1.00
##000000	18.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE5C

Deuteranopia (green-blind)

#FFF173

Tritanopia (blue-blind)

#FDEBDA

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #eff86b;
/* rgb */ color: rgb(239, 248, 107);
/* oklch */ color: oklch(94.6% 0.163 112.5);

Tailwind

colors: {
  custom: {
    50: '#f7fa9a',
    500: '#eff86b',
    950: '#000000',
  },
}

SCSS

$custom: #eff86b;
$custom-light: #f7fa9a;
$custom-dark: #000000;

JSON

{
  "hex": "#eff86b",
  "rgb": {
    "r": 239,
    "g": 248,
    "b": 107
  },
  "hsl": {
    "h": 63.83,
    "s": 90.968,
    "l": 69.608
  },
  "oklch": {
    "l": 0.94569,
    "c": 0.16307,
    "h": 112.5
  },
  "luminance": 0.86547
}

Semantic roles & 50–950 ramp

primary

#EFF86B

secondary

#3F35D2

accent

#00E60F

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #EFF86B

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

Preview Lab → · Contrast checker → · Palette generator →