#EFF18D#EFF18D

#EFF18D is a very light, vivid yellow. Relative luminance 0.832; OKLCH L 93.5% C 0.123 H 109.6°. Best body text is #000000 at 17.64:1 contrast (WCAG AA passes).

Color values

HEX	#EFF18D
RGB	rgb(239, 241, 141)
HSL	hsl(61, 78%, 75%)
HSV	hsv(61, 41%, 95%)
CMYK	cmyk(0.8%, 0%, 41.5%, 5.5%)
CIE-LAB	lab(93.10, -14.74, 47.95)
CIE-LCH	lch(93.10, 50.16, 107.09°)
OKLab	oklab(93.53% -0.0412 0.1159)
OKLCH	oklch(93.53% 0.123 109.6)
XYZ	xyz(71.8607, 83.1858, 37.4651)
Luminance	0.8318 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF18D #8F8DF1

analogous

#F1C18D #EFF18D #BDF18D

triadic

#EFF18D #8DEFF1 #F18DEF

tetradic

#EFF18D #8DF1C1 #8F8DF1 #F18DBD

square

#EFF18D #8DF1C1 #8F8DF1 #F18DBD

split-complementary

#EFF18D #8DBDF1 #C18DF1

monochromatic

#E0E420 #E7EA56 #EFF18D #F7F8C4 #FBFCE4

Accessibility & contrast

On white

1.19

#EFF18D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.64

#EFF18D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF18D

17.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF18D	#FFFFFF	#000000	##000000
##EFF18D	1.00	1.19	17.64	17.64
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.64	21.00	1.00	1.00
##000000	17.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE985

Deuteranopia (green-blind)

#FFED92

Tritanopia (blue-blind)

#FBE6D9

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #eff18d;
/* rgb */ color: rgb(239, 241, 141);
/* oklch */ color: oklch(93.5% 0.123 109.6);

Tailwind

colors: {
  custom: {
    50: '#f6f5b0',
    500: '#eff18d',
    950: '#000000',
  },
}

SCSS

$custom: #eff18d;
$custom-light: #f6f5b0;
$custom-dark: #000000;

JSON

{
  "hex": "#eff18d",
  "rgb": {
    "r": 239,
    "g": 241,
    "b": 141
  },
  "hsl": {
    "h": 61.2,
    "s": 78.125,
    "l": 74.902
  },
  "oklch": {
    "l": 0.93533,
    "c": 0.12298,
    "h": 109.6
  },
  "luminance": 0.83184
}

Semantic roles & 50–950 ramp

primary

#EFF18D

secondary

#5755CD

accent

#0BDA0F

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#171711

muted

#858581

Preview Lab

Preview with #EFF18D

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

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