#99CA40#99CA40

#99CA40 is a light, vivid yellow-green. Relative luminance 0.494; OKLCH L 77.8% C 0.172 H 127.0°. Best body text is #000000 at 10.88:1 contrast (WCAG AA passes).

Color values

HEX	#99CA40
RGB	rgb(153, 202, 64)
HSL	hsl(81, 57%, 52%)
HSV	hsv(81, 68%, 79%)
CMYK	cmyk(24.3%, 0%, 68.3%, 20.8%)
CIE-LAB	lab(75.69, -36.21, 60.81)
CIE-LCH	lch(75.69, 70.77, 120.77°)
OKLab	oklab(77.81% -0.1036 0.1375)
OKLCH	oklch(77.81% 0.172 127)
XYZ	xyz(35.1829, 49.3829, 12.5277)
Luminance	0.4938 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99CA40 #7140CA

analogous

#CAB640 #99CA40 #54CA40

triadic

#99CA40 #4099CA #CA4099

tetradic

#99CA40 #40CAB6 #7140CA #CA4054

square

#99CA40 #40CAB6 #7140CA #CA4054

split-complementary

#99CA40 #4054CA #B640CA

monochromatic

#54701F #77A02C #99CA40 #B3D770 #CCE5A0

Accessibility & contrast

On white

1.93

#99CA40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.88

#99CA40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99CA40

10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99CA40	#FFFFFF	#000000	##000000
##99CA40	1.00	1.93	10.88	10.88
#FFFFFF	1.93	1.00	21.00	21.00
#000000	10.88	21.00	1.00	1.00
##000000	10.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4BD2B

Deuteranopia (green-blind)

#CDBA4B

Tritanopia (blue-blind)

#9FC1AE

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #99ca40;
/* rgb */ color: rgb(153, 202, 64);
/* oklch */ color: oklch(77.8% 0.172 127.0);

Tailwind

colors: {
  custom: {
    50: '#bbda7c',
    500: '#99ca40',
    950: '#000000',
  },
}

SCSS

$custom: #99ca40;
$custom-light: #bbda7c;
$custom-dark: #000000;

JSON

{
  "hex": "#99ca40",
  "rgb": {
    "r": 153,
    "g": 202,
    "b": 64
  },
  "hsl": {
    "h": 81.304,
    "s": 56.557,
    "l": 52.157
  },
  "oklch": {
    "l": 0.77811,
    "c": 0.17212,
    "h": 127
  },
  "luminance": 0.49384
}

Semantic roles & 50–950 ramp

primary

#99CA40

secondary

#AA95D1

accent

#48E07E

background

#FBFDF7

surface

#F7FAEE

border

#D0D3C9

text

#12150A

muted

#81837C

Preview Lab

Preview with #99CA40

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

Preview Lab → · Contrast checker → · Palette generator →