#EFF88F#EFF88F

#EFF88F is a very light, vivid yellow. Relative luminance 0.875; OKLCH L 95.0% C 0.129 H 112.9°. Best body text is #000000 at 18.49:1 contrast (WCAG AA passes).

Color values

HEX	#EFF88F
RGB	rgb(239, 248, 143)
HSL	hsl(65, 88%, 77%)
HSV	hsv(65, 42%, 97%)
CMYK	cmyk(3.6%, 0%, 42.3%, 2.7%)
CIE-LAB	lab(94.94, -17.95, 49.28)
CIE-LCH	lch(94.94, 52.45, 110.01°)
OKLab	oklab(95.01% -0.0502 0.119)
OKLCH	oklch(95.01% 0.129 112.9)
XYZ	xyz(74.1228, 87.4698, 38.9599)
Luminance	0.8747 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF88F #988FF8

analogous

#F8CD8F #EFF88F #BBF88F

triadic

#EFF88F #8FEFF8 #F88FEF

tetradic

#EFF88F #8FF8CD #988FF8 #F88FBB

square

#EFF88F #8FF8CD #988FF8 #F88FBB

split-complementary

#EFF88F #8FBBF8 #CD8FF8

monochromatic

#DFF11C #E7F455 #EFF88F #F7FCC9 #FBFDE2

Accessibility & contrast

On white

1.14

#EFF88F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.49

#EFF88F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF88F

18.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF88F	#FFFFFF	#000000	##000000
##EFF88F	1.00	1.14	18.49	18.49
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.49	21.00	1.00	1.00
##000000	18.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEF87

Deuteranopia (green-blind)

#FFF294

Tritanopia (blue-blind)

#FBEDDF

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #eff88f;
/* rgb */ color: rgb(239, 248, 143);
/* oklch */ color: oklch(95.0% 0.129 112.9);

Tailwind

colors: {
  custom: {
    50: '#f6fab1',
    500: '#eff88f',
    950: '#000000',
  },
}

SCSS

$custom: #eff88f;
$custom-light: #f6fab1;
$custom-dark: #000000;

JSON

{
  "hex": "#eff88f",
  "rgb": {
    "r": 239,
    "g": 248,
    "b": 143
  },
  "hsl": {
    "h": 65.143,
    "s": 88.235,
    "l": 76.667
  },
  "oklch": {
    "l": 0.95008,
    "c": 0.12914,
    "h": 112.9
  },
  "luminance": 0.87469
}

Semantic roles & 50–950 ramp

primary

#EFF88F

secondary

#6055D7

accent

#01E514

background

#FFFFFD

surface

#FFFFF8

border

#D7D7D1

text

#171711

muted

#858581

Preview Lab

Preview with #EFF88F

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

Preview Lab → · Contrast checker → · Palette generator →