#EFF28C#EFF28C

#EFF28C is a very light, vivid yellow. Relative luminance 0.837; OKLCH L 93.7% C 0.125 H 110.1°. Best body text is #000000 at 17.75:1 contrast (WCAG AA passes).

Color values

HEX	#EFF28C
RGB	rgb(239, 242, 140)
HSL	hsl(62, 80%, 75%)
HSV	hsv(62, 42%, 95%)
CMYK	cmyk(1.2%, 0%, 42.1%, 5.1%)
CIE-LAB	lab(93.34, -15.33, 48.74)
CIE-LCH	lch(93.34, 51.09, 107.46°)
OKLab	oklab(93.72% -0.0429 0.1176)
OKLCH	oklch(93.72% 0.125 110.1)
XYZ	xyz(72.0835, 83.7498, 37.1739)
Luminance	0.8375 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF28C #8F8CF2

analogous

#F2C28C #EFF28C #BCF28C

triadic

#EFF28C #8CEFF2 #F28CEF

tetradic

#EFF28C #8CF2C2 #8F8CF2 #F28CBC

square

#EFF28C #8CF2C2 #8F8CF2 #F28CBC

split-complementary

#EFF28C #8CBCF2 #C28CF2

monochromatic

#E0E61E #E7EC55 #EFF28C #F7F8C3 #FBFCE4

Accessibility & contrast

On white

1.18

#EFF28C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.75

#EFF28C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF28C

17.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF28C	#FFFFFF	#000000	##000000
##EFF28C	1.00	1.18	17.75	17.75
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.75	21.00	1.00	1.00
##000000	17.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEA84

Deuteranopia (green-blind)

#FFEE91

Tritanopia (blue-blind)

#FBE7DA

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #eff28c;
/* rgb */ color: rgb(239, 242, 140);
/* oklch */ color: oklch(93.7% 0.125 110.1);

Tailwind

colors: {
  custom: {
    50: '#f6f6af',
    500: '#eff28c',
    950: '#000000',
  },
}

SCSS

$custom: #eff28c;
$custom-light: #f6f6af;
$custom-dark: #000000;

JSON

{
  "hex": "#eff28c",
  "rgb": {
    "r": 239,
    "g": 242,
    "b": 140
  },
  "hsl": {
    "h": 61.765,
    "s": 79.687,
    "l": 74.902
  },
  "oklch": {
    "l": 0.93724,
    "c": 0.12518,
    "h": 110.1
  },
  "luminance": 0.83748
}

Semantic roles & 50–950 ramp

primary

#EFF28C

secondary

#5754CE

accent

#0ADC10

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFF28C

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

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