#99C040#99C040

#99C040 is a light, vivid yellow-green. Relative luminance 0.448; OKLCH L 75.5% C 0.160 H 124.7°. Best body text is #000000 at 9.97:1 contrast (WCAG AA passes).

Color values

HEX	#99C040
RGB	rgb(153, 192, 64)
HSL	hsl(78, 50%, 50%)
HSV	hsv(78, 67%, 75%)
CMYK	cmyk(20.3%, 0%, 66.7%, 24.7%)
CIE-LAB	lab(72.79, -31.59, 57.81)
CIE-LCH	lch(72.79, 65.88, 118.66°)
OKLab	oklab(75.46% -0.0909 0.1312)
OKLCH	oklch(75.46% 0.16 124.7)
XYZ	xyz(32.9121, 44.8414, 11.7708)
Luminance	0.4484 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99C040 #6740C0

analogous

#C0A740 #99C040 #59C040

triadic

#99C040 #4099C0 #C04099

tetradic

#99C040 #40C0A7 #6740C0 #C04059

square

#99C040 #40C0A7 #6740C0 #C04059

split-complementary

#99C040 #4059C0 #A740C0

monochromatic

#506421 #759230 #99C040 #B2CF6E #CADE9C

Accessibility & contrast

On white

2.11

#99C040 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.97

#99C040 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99C040

9.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99C040	#FFFFFF	#000000	##000000
##99C040	1.00	2.11	9.97	9.97
#FFFFFF	2.11	1.00	21.00	21.00
#000000	9.97	21.00	1.00	1.00
##000000	9.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAB42E

Deuteranopia (green-blind)

#C5B24A

Tritanopia (blue-blind)

#A0B7A6

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #99c040;
/* rgb */ color: rgb(153, 192, 64);
/* oklch */ color: oklch(75.5% 0.160 124.7);

Tailwind

colors: {
  custom: {
    50: '#bad37b',
    500: '#99c040',
    950: '#000000',
  },
}

SCSS

$custom: #99c040;
$custom-light: #bad37b;
$custom-dark: #000000;

JSON

{
  "hex": "#99c040",
  "rgb": {
    "r": 153,
    "g": 192,
    "b": 64
  },
  "hsl": {
    "h": 78.281,
    "s": 50.394,
    "l": 50.196
  },
  "oklch": {
    "l": 0.75462,
    "c": 0.15958,
    "h": 124.7
  },
  "luminance": 0.44842
}

Semantic roles & 50–950 ramp

primary

#99C040

secondary

#A391CB

accent

#4EDA79

background

#FBFCF7

surface

#F7F9EE

border

#D0D2C9

text

#12140A

muted

#81827C

Preview Lab

Preview with #99C040

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

Preview Lab → · Contrast checker → · Palette generator →