#EFF09A#EFF09A

#EFF09A is a very light, moderate yellow. Relative luminance 0.830; OKLCH L 93.5% C 0.108 H 108.9°. Best body text is #000000 at 17.60:1 contrast (WCAG AA passes).

Color values

HEX	#EFF09A
RGB	rgb(239, 240, 154)
HSL	hsl(61, 74%, 77%)
HSV	hsv(61, 36%, 94%)
CMYK	cmyk(0.4%, 0%, 35.8%, 5.9%)
CIE-LAB	lab(93.02, -12.86, 41.49)
CIE-LCH	lch(93.02, 43.44, 107.22°)
OKLab	oklab(93.53% -0.0348 0.1019)
OKLCH	oklch(93.53% 0.108 108.9)
XYZ	xyz(72.5902, 83.0053, 42.7633)
Luminance	0.8300 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF09A #9B9AF0

analogous

#F0C69A #EFF09A #C4F09A

triadic

#EFF09A #9AEFF0 #F09AEF

tetradic

#EFF09A #9AF0C6 #9B9AF0 #F09AC4

square

#EFF09A #9AF0C6 #9B9AF0 #F09AC4

split-complementary

#EFF09A #9AC4F0 #C69AF0

monochromatic

#DEE02F #E7E865 #EFF09A #F7F8CF #FBFBE4

Accessibility & contrast

On white

1.19

#EFF09A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.60

#EFF09A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF09A

17.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF09A	#FFFFFF	#000000	##000000
##EFF09A	1.00	1.19	17.60	17.60
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.60	21.00	1.00	1.00
##000000	17.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE994

Deuteranopia (green-blind)

#FEED9E

Tritanopia (blue-blind)

#FAE6DA

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #eff09a;
/* rgb */ color: rgb(239, 240, 154);
/* oklch */ color: oklch(93.5% 0.108 108.9);

Tailwind

colors: {
  custom: {
    50: '#f5f4b9',
    500: '#eff09a',
    950: '#000000',
  },
}

SCSS

$custom: #eff09a;
$custom-light: #f5f4b9;
$custom-dark: #000000;

JSON

{
  "hex": "#eff09a",
  "rgb": {
    "r": 239,
    "g": 240,
    "b": 154
  },
  "hsl": {
    "h": 60.698,
    "s": 74.138,
    "l": 77.255
  },
  "oklch": {
    "l": 0.93528,
    "c": 0.10765,
    "h": 108.9
  },
  "luminance": 0.83004
}

Semantic roles & 50–950 ramp

primary

#EFF09A

secondary

#6261CD

accent

#0FD612

background

#FFFFFD

surface

#FFFEF8

border

#D7D6D1

text

#171711

muted

#858581

Preview Lab

Preview with #EFF09A

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

Preview Lab → · Contrast checker → · Palette generator →