#EFF35C#EFF35C

#EFF35C is a very light, vivid yellow. Relative luminance 0.832; OKLCH L 93.4% C 0.170 H 110.7°. Best body text is #000000 at 17.65:1 contrast (WCAG AA passes).

Color values

HEX	#EFF35C
RGB	rgb(239, 243, 92)
HSL	hsl(62, 86%, 66%)
HSV	hsv(62, 62%, 95%)
CMYK	cmyk(1.6%, 0%, 62.1%, 4.7%)
CIE-LAB	lab(93.11, -19.69, 69.85)
CIE-LCH	lch(93.11, 72.57, 105.74°)
OKLab	oklab(93.39% -0.06 0.1586)
OKLCH	oklch(93.39% 0.17 110.7)
XYZ	xyz(69.5810, 83.2264, 22.5221)
Luminance	0.8323 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF35C #605CF3

analogous

#F3AB5C #EFF35C #A4F35C

triadic

#EFF35C #5CEFF3 #F35CEF

tetradic

#EFF35C #5CF3AB #605CF3 #F35CA4

square

#EFF35C #5CF3AB #605CF3 #F35CA4

split-complementary

#EFF35C #5CA4F3 #AB5CF3

monochromatic

#C1C60F #E9EF23 #EFF35C #F5F795 #FAFBCE

Accessibility & contrast

On white

1.19

#EFF35C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.65

#EFF35C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF35C

17.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF35C	#FFFFFF	#000000	##000000
##EFF35C	1.00	1.19	17.65	17.65
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.65	21.00	1.00	1.00
##000000	17.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE949

Deuteranopia (green-blind)

#FFED66

Tritanopia (blue-blind)

#FFE5D4

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #eff35c;
/* rgb */ color: rgb(239, 243, 92);
/* oklch */ color: oklch(93.4% 0.170 110.7);

Tailwind

colors: {
  custom: {
    50: '#f7f691',
    500: '#eff35c',
    950: '#000000',
  },
}

SCSS

$custom: #eff35c;
$custom-light: #f7f691;
$custom-dark: #000000;

JSON

{
  "hex": "#eff35c",
  "rgb": {
    "r": 239,
    "g": 243,
    "b": 92
  },
  "hsl": {
    "h": 61.589,
    "s": 86.286,
    "l": 65.686
  },
  "oklch": {
    "l": 0.93385,
    "c": 0.16953,
    "h": 110.7
  },
  "luminance": 0.83225
}

Semantic roles & 50–950 ramp

primary

#EFF35C

secondary

#3430C3

accent

#03E309

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #EFF35C

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

Preview Lab → · Contrast checker → · Palette generator →