#EFF09D#EFF09D

#EFF09D is a very light, moderate yellow. Relative luminance 0.831; OKLCH L 93.6% C 0.104 H 108.8°. Best body text is #000000 at 17.62:1 contrast (WCAG AA passes).

Color values

HEX	#EFF09D
RGB	rgb(239, 240, 157)
HSL	hsl(61, 73%, 78%)
HSV	hsv(61, 35%, 94%)
CMYK	cmyk(0.4%, 0%, 34.6%, 5.9%)
CIE-LAB	lab(93.06, -12.52, 40.07)
CIE-LCH	lch(93.06, 41.98, 107.36°)
OKLab	oklab(93.58% -0.0337 0.0987)
OKLCH	oklch(93.58% 0.104 108.8)
XYZ	xyz(72.8432, 83.1065, 44.0956)
Luminance	0.8310 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF09D #9E9DF0

analogous

#F0C79D #EFF09D #C5F09D

triadic

#EFF09D #9DEFF0 #F09DEF

tetradic

#EFF09D #9DF0C7 #9E9DF0 #F09DC5

square

#EFF09D #9DF0C7 #9E9DF0 #F09DC5

split-complementary

#EFF09D #9DC5F0 #C79DF0

monochromatic

#DEE033 #E6E868 #EFF09D #F8F8D2 #FBFBE4

Accessibility & contrast

On white

1.19

#EFF09D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.62

#EFF09D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF09D

17.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF09D	#FFFFFF	#000000	##000000
##EFF09D	1.00	1.19	17.62	17.62
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.62	21.00	1.00	1.00
##000000	17.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE997

Deuteranopia (green-blind)

#FEEDA0

Tritanopia (blue-blind)

#FAE6DB

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #eff09d;
/* rgb */ color: rgb(239, 240, 157);
/* oklch */ color: oklch(93.6% 0.104 108.8);

Tailwind

colors: {
  custom: {
    50: '#f5f4bb',
    500: '#eff09d',
    950: '#000000',
  },
}

SCSS

$custom: #eff09d;
$custom-light: #f5f4bb;
$custom-dark: #000000;

JSON

{
  "hex": "#eff09d",
  "rgb": {
    "r": 239,
    "g": 240,
    "b": 157
  },
  "hsl": {
    "h": 60.723,
    "s": 73.451,
    "l": 77.843
  },
  "oklch": {
    "l": 0.93578,
    "c": 0.10427,
    "h": 108.8
  },
  "luminance": 0.83105
}

Semantic roles & 50–950 ramp

primary

#EFF09D

secondary

#6564CD

accent

#10D612

background

#FFFFFD

surface

#FEFEF8

border

#D6D6D1

text

#171712

muted

#858582

Preview Lab

Preview with #EFF09D

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

Preview Lab → · Contrast checker → · Palette generator →