#EFF299#EFF299

#EFF299 is a very light, moderate yellow. Relative luminance 0.842; OKLCH L 93.9% C 0.111 H 110.0°. Best body text is #000000 at 17.83:1 contrast (WCAG AA passes).

Color values

HEX	#EFF299
RGB	rgb(239, 242, 153)
HSL	hsl(62, 77%, 77%)
HSV	hsv(62, 37%, 95%)
CMYK	cmyk(1.2%, 0%, 36.8%, 5.1%)
CIE-LAB	lab(93.52, -13.96, 42.63)
CIE-LCH	lch(93.52, 44.86, 108.13°)
OKLab	oklab(93.92% -0.038 0.1044)
OKLCH	oklch(93.92% 0.111 110)
XYZ	xyz(73.0993, 84.1561, 42.5238)
Luminance	0.8416 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF299 #9C99F2

analogous

#F2C899 #EFF299 #C3F299

triadic

#EFF299 #99EFF2 #F299EF

tetradic

#EFF299 #99F2C8 #9C99F2 #F299C3

square

#EFF299 #99F2C8 #9C99F2 #F299C3

split-complementary

#EFF299 #99C3F2 #C899F2

monochromatic

#DEE42C #E6EB63 #EFF299 #F8F9CF #FBFCE4

Accessibility & contrast

On white

1.18

#EFF299 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.83

#EFF299 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF299

17.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF299	#FFFFFF	#000000	##000000
##EFF299	1.00	1.18	17.83	17.83
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.83	21.00	1.00	1.00
##000000	17.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB92

Deuteranopia (green-blind)

#FFEE9D

Tritanopia (blue-blind)

#FAE8DC

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #eff299;
/* rgb */ color: rgb(239, 242, 153);
/* oklch */ color: oklch(93.9% 0.111 110.0);

Tailwind

colors: {
  custom: {
    50: '#f5f6b8',
    500: '#eff299',
    950: '#000000',
  },
}

SCSS

$custom: #eff299;
$custom-light: #f5f6b8;
$custom-dark: #000000;

JSON

{
  "hex": "#eff299",
  "rgb": {
    "r": 239,
    "g": 242,
    "b": 153
  },
  "hsl": {
    "h": 62.022,
    "s": 77.391,
    "l": 77.451
  },
  "oklch": {
    "l": 0.93922,
    "c": 0.11114,
    "h": 110
  },
  "luminance": 0.84155
}

Semantic roles & 50–950 ramp

primary

#EFF299

secondary

#6360D0

accent

#0CDA13

background

#FFFFFD

surface

#FFFEF8

border

#D7D6D1

text

#171711

muted

#858581

Preview Lab

Preview with #EFF299

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

Preview Lab → · Contrast checker → · Palette generator →