#9ECF40#9ECF40

#9ECF40 is a light, vivid yellow-green. Relative luminance 0.523; OKLCH L 79.3% C 0.176 H 126.6°. Best body text is #000000 at 11.45:1 contrast (WCAG AA passes).

Color values

HEX	#9ECF40
RGB	rgb(158, 207, 64)
HSL	hsl(81, 60%, 53%)
HSV	hsv(81, 69%, 81%)
CMYK	cmyk(23.7%, 0%, 69.1%, 18.8%)
CIE-LAB	lab(77.44, -36.56, 62.69)
CIE-LCH	lch(77.44, 72.57, 120.25°)
OKLab	oklab(79.31% -0.1049 0.1413)
OKLCH	oklch(79.31% 0.176 126.6)
XYZ	xyz(37.3389, 52.2643, 12.9703)
Luminance	0.5226 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#9ECF40 #7140CF

analogous

#CFB840 #9ECF40 #56CF40

triadic

#9ECF40 #409ECF #CF409E

tetradic

#9ECF40 #40CFB8 #7140CF #CF4056

square

#9ECF40 #40CFB8 #7140CF #CF4056

split-complementary

#9ECF40 #4056CF #B840CF

monochromatic

#58771E #7DA82A #9ECF40 #B7DB71 #D0E8A2

Accessibility & contrast

On white

1.83

#9ECF40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.45

#9ECF40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #9ECF40

11.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##9ECF40	#FFFFFF	#000000	##000000
##9ECF40	1.00	1.83	11.45	11.45
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.45	21.00	1.00	1.00
##000000	11.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAC129

Deuteranopia (green-blind)

#D3BE4C

Tritanopia (blue-blind)

#A4C6B3

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #9ecf40;
/* rgb */ color: rgb(158, 207, 64);
/* oklch */ color: oklch(79.3% 0.176 126.6);

Tailwind

colors: {
  custom: {
    50: '#bede7d',
    500: '#9ecf40',
    950: '#000000',
  },
}

SCSS

$custom: #9ecf40;
$custom-light: #bede7d;
$custom-dark: #000000;

JSON

{
  "hex": "#9ecf40",
  "rgb": {
    "r": 158,
    "g": 207,
    "b": 64
  },
  "hsl": {
    "h": 80.559,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.79307,
    "c": 0.17597,
    "h": 126.6
  },
  "luminance": 0.52265
}

Semantic roles & 50–950 ramp

primary

#9ECF40

secondary

#4E347F

accent

#45E37B

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#13150A

muted

#82847D

Preview Lab

Preview with #9ECF40

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

Preview Lab → · Contrast checker → · Palette generator →