#EFF25A#EFF25A

#EFF25A is a very light, vivid yellow. Relative luminance 0.826; OKLCH L 93.2% C 0.170 H 110.4°. Best body text is #000000 at 17.52:1 contrast (WCAG AA passes).

Color values

HEX	#EFF25A
RGB	rgb(239, 242, 90)
HSL	hsl(61, 85%, 65%)
HSV	hsv(61, 63%, 95%)
CMYK	cmyk(1.2%, 0%, 62.8%, 5.1%)
CIE-LAB	lab(92.84, -19.33, 70.35)
CIE-LCH	lch(92.84, 72.95, 105.36°)
OKLab	oklab(93.16% -0.0592 0.1593)
OKLCH	oklch(93.16% 0.17 110.4)
XYZ	xyz(69.1963, 82.5950, 21.9682)
Luminance	0.8259 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF25A #5D5AF2

analogous

#F2A95A #EFF25A #A3F25A

triadic

#EFF25A #5AEFF2 #F25AEF

tetradic

#EFF25A #5AF2A9 #5D5AF2 #F25AA3

square

#EFF25A #5AF2A9 #5D5AF2 #F25AA3

split-complementary

#EFF25A #5AA3F2 #A95AF2

monochromatic

#BFC20F #E9EE21 #EFF25A #F5F693 #FAFBCB

Accessibility & contrast

On white

1.20

#EFF25A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.52

#EFF25A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF25A

17.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF25A	#FFFFFF	#000000	##000000
##EFF25A	1.00	1.20	17.52	17.52
#FFFFFF	1.20	1.00	21.00	21.00
#000000	17.52	21.00	1.00	1.00
##000000	17.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE846

Deuteranopia (green-blind)

#FFED64

Tritanopia (blue-blind)

#FFE4D3

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #eff25a;
/* rgb */ color: rgb(239, 242, 90);
/* oklch */ color: oklch(93.2% 0.170 110.4);

Tailwind

colors: {
  custom: {
    50: '#f7f690',
    500: '#eff25a',
    950: '#000000',
  },
}

SCSS

$custom: #eff25a;
$custom-light: #f7f690;
$custom-dark: #000000;

JSON

{
  "hex": "#eff25a",
  "rgb": {
    "r": 239,
    "g": 242,
    "b": 90
  },
  "hsl": {
    "h": 61.184,
    "s": 85.393,
    "l": 65.098
  },
  "oklch": {
    "l": 0.93159,
    "c": 0.16997,
    "h": 110.4
  },
  "luminance": 0.82593
}

Semantic roles & 50–950 ramp

primary

#EFF25A

secondary

#3330C0

accent

#04E208

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #EFF25A

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

Preview Lab → · Contrast checker → · Palette generator →