#CEF58B#CEF58B

#CEF58B is a very light, vivid yellow-green. Relative luminance 0.803; OKLCH L 91.9% C 0.140 H 125.6°. Best body text is #000000 at 17.06:1 contrast (WCAG AA passes).

Color values

HEX	#CEF58B
RGB	rgb(206, 245, 139)
HSL	hsl(82, 84%, 75%)
HSV	hsv(82, 43%, 96%)
CMYK	cmyk(15.9%, 0%, 43.3%, 3.9%)
CIE-LAB	lab(91.81, -29.31, 46.81)
CIE-LCH	lch(91.81, 55.23, 122.05°)
OKLab	oklab(91.92% -0.0811 0.1135)
OKLCH	oklch(91.92% 0.14 125.6)
XYZ	xyz(62.7659, 80.2902, 36.6119)
Luminance	0.8029 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Light Yellowish Green

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CEF58B #B28BF5

analogous

#F5E78B #CEF58B #99F58B

triadic

#CEF58B #8BCEF5 #F58BCE

tetradic

#CEF58B #8BF5E7 #B28BF5 #F58B99

square

#CEF58B #8BF5E7 #B28BF5 #F58B99

split-complementary

#CEF58B #8B99F5 #E78BF5

monochromatic

#9EEB1A #B6F053 #CEF58B #E6FAC3 #F3FDE3

Accessibility & contrast

On white

1.23

#CEF58B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.06

#CEF58B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CEF58B

17.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CEF58B	#FFFFFF	#000000	##000000
##CEF58B	1.00	1.23	17.06	17.06
#FFFFFF	1.23	1.00	21.00	21.00
#000000	17.06	21.00	1.00	1.00
##000000	17.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE983

Deuteranopia (green-blind)

#FAE791

Tritanopia (blue-blind)

#D4ECDC

Achromatopsia (no color)

#E7E7E7

Design tokens & code

CSS

--color: #cef58b;
/* rgb */ color: rgb(206, 245, 139);
/* oklch */ color: oklch(91.9% 0.140 125.6);

Tailwind

colors: {
  custom: {
    50: '#def8ae',
    500: '#cef58b',
    950: '#000000',
  },
}

SCSS

$custom: #cef58b;
$custom-light: #def8ae;
$custom-dark: #000000;

JSON

{
  "hex": "#cef58b",
  "rgb": {
    "r": 206,
    "g": 245,
    "b": 139
  },
  "hsl": {
    "h": 82.075,
    "s": 84.127,
    "l": 75.294
  },
  "oklch": {
    "l": 0.91922,
    "c": 0.13952,
    "h": 125.6
  },
  "luminance": 0.80291
}

Semantic roles & 50–950 ramp

primary

#CEF58B

secondary

#8152D2

accent

#05E156

background

#FEFFFD

surface

#FCFFF7

border

#D5D7D0

text

#151710

muted

#848581

Preview Lab

Preview with #CEF58B

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

Preview Lab → · Contrast checker → · Palette generator →