#EFF18A#EFF18A

#EFF18A is a very light, vivid yellow. Relative luminance 0.831; OKLCH L 93.5% C 0.126 H 109.6°. Best body text is #000000 at 17.62:1 contrast (WCAG AA passes).

Color values

HEX	#EFF18A
RGB	rgb(239, 241, 138)
HSL	hsl(61, 79%, 74%)
HSV	hsv(61, 43%, 95%)
CMYK	cmyk(0.8%, 0%, 42.7%, 5.5%)
CIE-LAB	lab(93.06, -15.04, 49.34)
CIE-LCH	lch(93.06, 51.58, 106.95°)
OKLab	oklab(93.49% -0.0423 0.1188)
OKLCH	oklch(93.49% 0.126 109.6)
XYZ	xyz(71.6405, 83.0977, 36.3054)
Luminance	0.8310 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF18A #8C8AF1

analogous

#F1C08A #EFF18A #BCF18A

triadic

#EFF18A #8AEFF1 #F18AEF

tetradic

#EFF18A #8AF1C0 #8C8AF1 #F18ABC

square

#EFF18A #8AF1C0 #8C8AF1 #F18ABC

split-complementary

#EFF18A #8ABCF1 #C08AF1

monochromatic

#E0E41D #E8EA53 #EFF18A #F6F8C1 #FBFCE4

Accessibility & contrast

On white

1.19

#EFF18A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.62

#EFF18A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF18A

17.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF18A	#FFFFFF	#000000	##000000
##EFF18A	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)

#FFE982

Deuteranopia (green-blind)

#FFED8F

Tritanopia (blue-blind)

#FCE6D8

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #eff18a;
/* rgb */ color: rgb(239, 241, 138);
/* oklch */ color: oklch(93.5% 0.126 109.6);

Tailwind

colors: {
  custom: {
    50: '#f6f5ae',
    500: '#eff18a',
    950: '#000000',
  },
}

SCSS

$custom: #eff18a;
$custom-light: #f6f5ae;
$custom-dark: #000000;

JSON

{
  "hex": "#eff18a",
  "rgb": {
    "r": 239,
    "g": 241,
    "b": 138
  },
  "hsl": {
    "h": 61.165,
    "s": 78.626,
    "l": 74.314
  },
  "oklch": {
    "l": 0.9349,
    "c": 0.12612,
    "h": 109.6
  },
  "luminance": 0.83096
}

Semantic roles & 50–950 ramp

primary

#EFF18A

secondary

#5552CD

accent

#0BDB0F

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFF18A

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

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