#9ECB40#9ECB40

#9ECB40 is a light, vivid yellow-green. Relative luminance 0.504; OKLCH L 78.4% C 0.171 H 125.7°. Best body text is #000000 at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#9ECB40
RGB	rgb(158, 203, 64)
HSL	hsl(79, 57%, 52%)
HSV	hsv(79, 68%, 80%)
CMYK	cmyk(22.2%, 0%, 68.5%, 20.4%)
CIE-LAB	lab(76.28, -34.74, 61.52)
CIE-LCH	lch(76.28, 70.65, 119.45°)
OKLab	oklab(78.37% -0.0999 0.1388)
OKLCH	oklch(78.37% 0.171 125.7)
XYZ	xyz(36.3821, 50.3506, 12.6514)
Luminance	0.5035 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#9ECB40 #6D40CB

analogous

#CBB240 #9ECB40 #59CB40

triadic

#9ECB40 #409ECB #CB409E

tetradic

#9ECB40 #40CBB2 #6D40CB #CB4059

square

#9ECB40 #40CBB2 #6D40CB #CB4059

split-complementary

#9ECB40 #4059CB #B240CB

monochromatic

#57721F #7CA22C #9ECB40 #B6D870 #CFE5A0

Accessibility & contrast

On white

1.90

#9ECB40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.07

#9ECB40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #9ECB40

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##9ECB40	#FFFFFF	#000000	##000000
##9ECB40	1.00	1.90	11.07	11.07
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.07	21.00	1.00	1.00
##000000	11.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6BE2B

Deuteranopia (green-blind)

#D0BB4B

Tritanopia (blue-blind)

#A5C2AF

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #9ecb40;
/* rgb */ color: rgb(158, 203, 64);
/* oklch */ color: oklch(78.4% 0.171 125.7);

Tailwind

colors: {
  custom: {
    50: '#bedb7d',
    500: '#9ecb40',
    950: '#000000',
  },
}

SCSS

$custom: #9ecb40;
$custom-light: #bedb7d;
$custom-dark: #000000;

JSON

{
  "hex": "#9ecb40",
  "rgb": {
    "r": 158,
    "g": 203,
    "b": 64
  },
  "hsl": {
    "h": 79.424,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.78372,
    "c": 0.17102,
    "h": 125.7
  },
  "luminance": 0.50351
}

Semantic roles & 50–950 ramp

primary

#9ECB40

secondary

#4B357B

accent

#47E079

background

#FDFEFB

surface

#F9FBF2

border

#D2D4CC

text

#12150A

muted

#82847D

Preview Lab

Preview with #9ECB40

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

Preview Lab → · Contrast checker → · Palette generator →