#EFF18C#EFF18C

#EFF18C is a very light, vivid yellow. Relative luminance 0.832; OKLCH L 93.5% C 0.124 H 109.6°. Best body text is #000000 at 17.63:1 contrast (WCAG AA passes).

Color values

HEX	#EFF18C
RGB	rgb(239, 241, 140)
HSL	hsl(61, 78%, 75%)
HSV	hsv(61, 42%, 95%)
CMYK	cmyk(0.8%, 0%, 41.9%, 5.5%)
CIE-LAB	lab(93.08, -14.84, 48.41)
CIE-LCH	lch(93.08, 50.64, 107.04°)
OKLab	oklab(93.52% -0.0415 0.1169)
OKLCH	oklch(93.52% 0.124 109.6)
XYZ	xyz(71.7867, 83.1562, 37.0750)
Luminance	0.8316 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF18C #8E8CF1

analogous

#F1C18C #EFF18C #BDF18C

triadic

#EFF18C #8CEFF1 #F18CEF

tetradic

#EFF18C #8CF1C1 #8E8CF1 #F18CBD

square

#EFF18C #8CF1C1 #8E8CF1 #F18CBD

split-complementary

#EFF18C #8CBDF1 #C18CF1

monochromatic

#E0E41F #E7EA55 #EFF18C #F7F8C3 #FBFCE4

Accessibility & contrast

On white

1.19

#EFF18C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.63

#EFF18C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF18C

17.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF18C	#FFFFFF	#000000	##000000
##EFF18C	1.00	1.19	17.63	17.63
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.63	21.00	1.00	1.00
##000000	17.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE984

Deuteranopia (green-blind)

#FFED91

Tritanopia (blue-blind)

#FCE6D9

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #eff18c;
/* rgb */ color: rgb(239, 241, 140);
/* oklch */ color: oklch(93.5% 0.124 109.6);

Tailwind

colors: {
  custom: {
    50: '#f6f5af',
    500: '#eff18c',
    950: '#000000',
  },
}

SCSS

$custom: #eff18c;
$custom-light: #f6f5af;
$custom-dark: #000000;

JSON

{
  "hex": "#eff18c",
  "rgb": {
    "r": 239,
    "g": 241,
    "b": 140
  },
  "hsl": {
    "h": 61.188,
    "s": 78.295,
    "l": 74.706
  },
  "oklch": {
    "l": 0.93518,
    "c": 0.12403,
    "h": 109.6
  },
  "luminance": 0.83155
}

Semantic roles & 50–950 ramp

primary

#EFF18C

secondary

#5654CD

accent

#0BDB0F

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFF18C

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

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