#EFF199#EFF199

#EFF199 is a very light, moderate yellow. Relative luminance 0.836; OKLCH L 93.7% C 0.110 H 109.5°. Best body text is #000000 at 17.71:1 contrast (WCAG AA passes).

Color values

HEX	#EFF199
RGB	rgb(239, 241, 153)
HSL	hsl(61, 76%, 77%)
HSV	hsv(61, 37%, 95%)
CMYK	cmyk(0.8%, 0%, 36.5%, 5.5%)
CIE-LAB	lab(93.26, -13.47, 42.30)
CIE-LCH	lch(93.26, 44.39, 107.66°)
OKLab	oklab(93.72% -0.0366 0.1037)
OKLCH	oklch(93.72% 0.11 109.5)
XYZ	xyz(72.8024, 83.5625, 42.4248)
Luminance	0.8356 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF199 #9B99F1

analogous

#F1C799 #EFF199 #C3F199

triadic

#EFF199 #99EFF1 #F199EF

tetradic

#EFF199 #99F1C7 #9B99F1 #F199C3

square

#EFF199 #99F1C7 #9B99F1 #F199C3

split-complementary

#EFF199 #99C3F1 #C799F1

monochromatic

#DEE22D #E7EA63 #EFF199 #F7F8CF #FBFBE4

Accessibility & contrast

On white

1.19

#EFF199 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.71

#EFF199 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF199

17.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF199	#FFFFFF	#000000	##000000
##EFF199	1.00	1.19	17.71	17.71
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.71	21.00	1.00	1.00
##000000	17.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FEEA92

Deuteranopia (green-blind)

#FFED9D

Tritanopia (blue-blind)

#FAE7DB

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #eff199;
/* rgb */ color: rgb(239, 241, 153);
/* oklch */ color: oklch(93.7% 0.110 109.5);

Tailwind

colors: {
  custom: {
    50: '#f5f5b8',
    500: '#eff199',
    950: '#000000',
  },
}

SCSS

$custom: #eff199;
$custom-light: #f5f5b8;
$custom-dark: #000000;

JSON

{
  "hex": "#eff199",
  "rgb": {
    "r": 239,
    "g": 241,
    "b": 153
  },
  "hsl": {
    "h": 61.364,
    "s": 75.862,
    "l": 77.255
  },
  "oklch": {
    "l": 0.93717,
    "c": 0.10995,
    "h": 109.5
  },
  "luminance": 0.83561
}

Semantic roles & 50–950 ramp

primary

#EFF199

secondary

#6260CE

accent

#0DD812

background

#FFFFFD

surface

#FFFEF8

border

#D7D6D1

text

#171711

muted

#858581

Preview Lab

Preview with #EFF199

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

Preview Lab → · Contrast checker → · Palette generator →