#EFF099#EFF099

#EFF099 is a very light, moderate yellow. Relative luminance 0.830; OKLCH L 93.5% C 0.109 H 108.9°. Best body text is #000000 at 17.59:1 contrast (WCAG AA passes).

Color values

HEX	#EFF099
RGB	rgb(239, 240, 153)
HSL	hsl(61, 74%, 77%)
HSV	hsv(61, 36%, 94%)
CMYK	cmyk(0.4%, 0%, 36.3%, 5.9%)
CIE-LAB	lab(93.00, -12.98, 41.97)
CIE-LCH	lch(93.00, 43.93, 107.18°)
OKLab	oklab(93.51% -0.0352 0.1029)
OKLCH	oklch(93.51% 0.109 108.9)
XYZ	xyz(72.5073, 82.9721, 42.3264)
Luminance	0.8297 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF099 #9A99F0

analogous

#F0C699 #EFF099 #C3F099

triadic

#EFF099 #99EFF0 #F099EF

tetradic

#EFF099 #99F0C6 #9A99F0 #F099C3

square

#EFF099 #99F0C6 #9A99F0 #F099C3

split-complementary

#EFF099 #99C3F0 #C699F0

monochromatic

#DEE02E #E7E864 #EFF099 #F7F8CE #FBFBE4

Accessibility & contrast

On white

1.19

#EFF099 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.59

#EFF099 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF099

17.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF099	#FFFFFF	#000000	##000000
##EFF099	1.00	1.19	17.59	17.59
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.59	21.00	1.00	1.00
##000000	17.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE993

Deuteranopia (green-blind)

#FEED9D

Tritanopia (blue-blind)

#FAE6DA

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #eff099;
/* rgb */ color: rgb(239, 240, 153);
/* oklch */ color: oklch(93.5% 0.109 108.9);

Tailwind

colors: {
  custom: {
    50: '#f5f4b8',
    500: '#eff099',
    950: '#000000',
  },
}

SCSS

$custom: #eff099;
$custom-light: #f5f4b8;
$custom-dark: #000000;

JSON

{
  "hex": "#eff099",
  "rgb": {
    "r": 239,
    "g": 240,
    "b": 153
  },
  "hsl": {
    "h": 60.69,
    "s": 74.359,
    "l": 77.059
  },
  "oklch": {
    "l": 0.93512,
    "c": 0.10877,
    "h": 108.9
  },
  "luminance": 0.82971
}

Semantic roles & 50–950 ramp

primary

#EFF099

secondary

#6260CD

accent

#0FD611

background

#FFFFFD

surface

#FFFEF8

border

#D7D6D1

text

#171711

muted

#858581

Preview Lab

Preview with #EFF099

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

Preview Lab → · Contrast checker → · Palette generator →