#EFF35E#EFF35E

#EFF35E is a very light, vivid yellow. Relative luminance 0.833; OKLCH L 93.4% C 0.168 H 110.7°. Best body text is #000000 at 17.65:1 contrast (WCAG AA passes).

Color values

HEX	#EFF35E
RGB	rgb(239, 243, 94)
HSL	hsl(62, 86%, 66%)
HSV	hsv(62, 61%, 95%)
CMYK	cmyk(1.6%, 0%, 61.3%, 4.7%)
CIE-LAB	lab(93.13, -19.56, 69.06)
CIE-LCH	lch(93.13, 71.78, 105.81°)
OKLab	oklab(93.4% -0.0594 0.1572)
OKLCH	oklch(93.4% 0.168 110.7)
XYZ	xyz(69.6696, 83.2618, 22.9886)
Luminance	0.8326 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF35E #625EF3

analogous

#F3AC5E #EFF35E #A4F35E

triadic

#EFF35E #5EEFF3 #F35EEF

tetradic

#EFF35E #5EF3AC #625EF3 #F35EA4

square

#EFF35E #5EF3AC #625EF3 #F35EA4

split-complementary

#EFF35E #5EA4F3 #AC5EF3

monochromatic

#C3C80F #E9EF25 #EFF35E #F5F797 #FAFBD0

Accessibility & contrast

On white

1.19

#EFF35E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.65

#EFF35E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF35E

17.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF35E	#FFFFFF	#000000	##000000
##EFF35E	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)

#FFE94B

Deuteranopia (green-blind)

#FFED67

Tritanopia (blue-blind)

#FEE5D4

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #eff35e;
/* rgb */ color: rgb(239, 243, 94);
/* oklch */ color: oklch(93.4% 0.168 110.7);

Tailwind

colors: {
  custom: {
    50: '#f7f692',
    500: '#eff35e',
    950: '#000000',
  },
}

SCSS

$custom: #eff35e;
$custom-light: #f7f692;
$custom-dark: #000000;

JSON

{
  "hex": "#eff35e",
  "rgb": {
    "r": 239,
    "g": 243,
    "b": 94
  },
  "hsl": {
    "h": 61.611,
    "s": 86.127,
    "l": 66.078
  },
  "oklch": {
    "l": 0.93402,
    "c": 0.16805,
    "h": 110.7
  },
  "luminance": 0.8326
}

Semantic roles & 50–950 ramp

primary

#EFF35E

secondary

#3531C5

accent

#03E309

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #EFF35E

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

Preview Lab → · Contrast checker → · Palette generator →