#CEF591#CEF591

#CEF591 is a very light, vivid yellow-green. Relative luminance 0.805; OKLCH L 92.0% C 0.133 H 126.3°. Best body text is #000000 at 17.09:1 contrast (WCAG AA passes).

Color values

HEX	#CEF591
RGB	rgb(206, 245, 145)
HSL	hsl(83, 83%, 76%)
HSV	hsv(83, 41%, 96%)
CMYK	cmyk(15.9%, 0%, 40.8%, 3.9%)
CIE-LAB	lab(91.90, -28.62, 44.01)
CIE-LCH	lch(91.90, 52.50, 123.03°)
OKLab	oklab(92.01% -0.0788 0.1074)
OKLCH	oklch(92.01% 0.133 126.3)
XYZ	xyz(63.2164, 80.4704, 38.9844)
Luminance	0.8047 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Light Yellowish Green

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CEF591 #B891F5

analogous

#F5EA91 #CEF591 #9CF591

triadic

#CEF591 #91CEF5 #F591CE

tetradic

#CEF591 #91F5EA #B891F5 #F5919C

square

#CEF591 #91F5EA #B891F5 #F5919C

split-complementary

#CEF591 #919CF5 #EA91F5

monochromatic

#9CEB21 #B5F059 #CEF591 #E7FAC9 #F3FCE3

Accessibility & contrast

On white

1.23

#CEF591 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.09

#CEF591 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CEF591

17.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CEF591	#FFFFFF	#000000	##000000
##CEF591	1.00	1.23	17.09	17.09
#FFFFFF	1.23	1.00	21.00	21.00
#000000	17.09	21.00	1.00	1.00
##000000	17.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE989

Deuteranopia (green-blind)

#F9E796

Tritanopia (blue-blind)

#D3EDDD

Achromatopsia (no color)

#E8E8E8

Design tokens & code

CSS

--color: #cef591;
/* rgb */ color: rgb(206, 245, 145);
/* oklch */ color: oklch(92.0% 0.133 126.3);

Tailwind

colors: {
  custom: {
    50: '#def8b2',
    500: '#cef591',
    950: '#000000',
  },
}

SCSS

$custom: #cef591;
$custom-light: #def8b2;
$custom-dark: #000000;

JSON

{
  "hex": "#cef591",
  "rgb": {
    "r": 206,
    "g": 245,
    "b": 145
  },
  "hsl": {
    "h": 83.4,
    "s": 83.333,
    "l": 76.471
  },
  "oklch": {
    "l": 0.92013,
    "c": 0.13327,
    "h": 126.3
  },
  "luminance": 0.80471
}

Semantic roles & 50–950 ramp

primary

#CEF591

secondary

#8857D3

accent

#06E05B

background

#FEFFFD

surface

#FCFFF8

border

#D5D7D1

text

#151711

muted

#848581

Preview Lab

Preview with #CEF591

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

Preview Lab → · Contrast checker → · Palette generator →