#EFF36C#EFF36C

#EFF36C is a very light, vivid yellow. Relative luminance 0.835; OKLCH L 93.5% C 0.157 H 110.6°. Best body text is #000000 at 17.71:1 contrast (WCAG AA passes).

Color values

HEX	#EFF36C
RGB	rgb(239, 243, 108)
HSL	hsl(62, 85%, 69%)
HSV	hsv(62, 56%, 95%)
CMYK	cmyk(1.6%, 0%, 55.6%, 4.7%)
CIE-LAB	lab(93.25, -18.60, 63.33)
CIE-LCH	lch(93.25, 66.00, 106.37°)
OKLab	oklab(93.54% -0.0553 0.1468)
OKLCH	oklch(93.54% 0.157 110.6)
XYZ	xyz(70.3558, 83.5362, 26.6024)
Luminance	0.8354 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF36C #706CF3

analogous

#F3B46C #EFF36C #ACF36C

triadic

#EFF36C #6CEFF3 #F36CEF

tetradic

#EFF36C #6CF3B4 #706CF3 #F36CAC

square

#EFF36C #6CF3B4 #706CF3 #F36CAC

split-complementary

#EFF36C #6CACF3 #B46CF3

monochromatic

#CED311 #E9EE33 #EFF36C #F5F8A5 #FBFCDD

Accessibility & contrast

On white

1.19

#EFF36C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.71

#EFF36C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF36C

17.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF36C	#FFFFFF	#000000	##000000
##EFF36C	1.00	1.19	17.71	17.71
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.71	21.00	1.00	1.00
##000000	17.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE95E

Deuteranopia (green-blind)

#FFEE74

Tritanopia (blue-blind)

#FEE6D6

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #eff36c;
/* rgb */ color: rgb(239, 243, 108);
/* oklch */ color: oklch(93.5% 0.157 110.6);

Tailwind

colors: {
  custom: {
    50: '#f7f69a',
    500: '#eff36c',
    950: '#000000',
  },
}

SCSS

$custom: #eff36c;
$custom-light: #f7f69a;
$custom-dark: #000000;

JSON

{
  "hex": "#eff36c",
  "rgb": {
    "r": 239,
    "g": 243,
    "b": 108
  },
  "hsl": {
    "h": 61.778,
    "s": 84.906,
    "l": 68.824
  },
  "oklch": {
    "l": 0.93536,
    "c": 0.15682,
    "h": 110.6
  },
  "luminance": 0.83535
}

Semantic roles & 50–950 ramp

primary

#EFF36C

secondary

#3B37CC

accent

#04E10B

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #EFF36C

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

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