#EFF36A#EFF36A

#EFF36A is a very light, vivid yellow. Relative luminance 0.835; OKLCH L 93.5% C 0.159 H 110.7°. Best body text is #000000 at 17.70:1 contrast (WCAG AA passes).

Color values

HEX	#EFF36A
RGB	rgb(239, 243, 106)
HSL	hsl(62, 85%, 68%)
HSV	hsv(62, 56%, 95%)
CMYK	cmyk(1.6%, 0%, 56.4%, 4.7%)
CIE-LAB	lab(93.23, -18.75, 64.17)
CIE-LCH	lch(93.23, 66.85, 106.29°)
OKLab	oklab(93.52% -0.0559 0.1483)
OKLCH	oklch(93.52% 0.159 110.7)
XYZ	xyz(70.2505, 83.4942, 26.0482)
Luminance	0.8349 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF36A #6E6AF3

analogous

#F3B26A #EFF36A #AAF36A

triadic

#EFF36A #6AEFF3 #F36AEF

tetradic

#EFF36A #6AF3B2 #6E6AF3 #F36AAA

square

#EFF36A #6AF3B2 #6E6AF3 #F36AAA

split-complementary

#EFF36A #6AAAF3 #B26AF3

monochromatic

#CCD211 #E9EE31 #EFF36A #F5F8A3 #FBFCDB

Accessibility & contrast

On white

1.19

#EFF36A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.70

#EFF36A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF36A

17.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF36A	#FFFFFF	#000000	##000000
##EFF36A	1.00	1.19	17.70	17.70
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.70	21.00	1.00	1.00
##000000	17.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE95B

Deuteranopia (green-blind)

#FFEE72

Tritanopia (blue-blind)

#FEE6D5

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #eff36a;
/* rgb */ color: rgb(239, 243, 106);
/* oklch */ color: oklch(93.5% 0.159 110.7);

Tailwind

colors: {
  custom: {
    50: '#f7f699',
    500: '#eff36a',
    950: '#000000',
  },
}

SCSS

$custom: #eff36a;
$custom-light: #f7f699;
$custom-dark: #000000;

JSON

{
  "hex": "#eff36a",
  "rgb": {
    "r": 239,
    "g": 243,
    "b": 106
  },
  "hsl": {
    "h": 61.752,
    "s": 85.093,
    "l": 68.431
  },
  "oklch": {
    "l": 0.93515,
    "c": 0.1585,
    "h": 110.7
  },
  "luminance": 0.83493
}

Semantic roles & 50–950 ramp

primary

#EFF36A

secondary

#3A35CC

accent

#04E20A

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #EFF36A

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

Preview Lab → · Contrast checker → · Palette generator →