#99E54A#99E54A

#99E54A is a very light, vivid yellow-green. Relative luminance 0.633; OKLCH L 84.3% C 0.199 H 132.0°. Best body text is #000000 at 13.66:1 contrast (WCAG AA passes).

Color values

HEX	#99E54A
RGB	rgb(153, 229, 74)
HSL	hsl(89, 75%, 59%)
HSV	hsv(89, 68%, 90%)
CMYK	cmyk(33.2%, 0%, 67.7%, 10.2%)
CIE-LAB	lab(83.60, -47.30, 65.18)
CIE-LCH	lch(83.60, 80.53, 125.97°)
OKLab	oklab(84.27% -0.1331 0.148)
OKLCH	oklch(84.27% 0.199 132)
XYZ	xyz(42.3917, 63.3037, 16.4625)
Luminance	0.6331 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99E54A #964AE5

analogous

#E5E34A #99E54A #4CE54A

triadic

#99E54A #4A99E5 #E54A99

tetradic

#99E54A #4AE5E3 #964AE5 #E54A4C

square

#99E54A #4AE5E3 #964AE5 #E54A4C

split-complementary

#99E54A #4A4CE5 #E34AE5

monochromatic

#5C9E17 #7BD31E #99E54A #B7ED80 #D5F4B5

Accessibility & contrast

On white

1.54

#99E54A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.66

#99E54A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99E54A

13.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99E54A	#FFFFFF	#000000	##000000
##99E54A	1.00	1.54	13.66	13.66
#FFFFFF	1.54	1.00	21.00	21.00
#000000	13.66	21.00	1.00	1.00
##000000	13.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD433

Deuteranopia (green-blind)

#E4CE57

Tritanopia (blue-blind)

#9BDCC6

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #99e54a;
/* rgb */ color: rgb(153, 229, 74);
/* oklch */ color: oklch(84.3% 0.199 132.0);

Tailwind

colors: {
  custom: {
    50: '#bced84',
    500: '#99e54a',
    950: '#000000',
  },
}

SCSS

$custom: #99e54a;
$custom-light: #bced84;
$custom-dark: #000000;

JSON

{
  "hex": "#99e54a",
  "rgb": {
    "r": 153,
    "g": 229,
    "b": 74
  },
  "hsl": {
    "h": 89.419,
    "s": 74.879,
    "l": 59.412
  },
  "oklch": {
    "l": 0.84266,
    "c": 0.19907,
    "h": 132
  },
  "luminance": 0.63305
}

Semantic roles & 50–950 ramp

primary

#99E54A

secondary

#6932A1

accent

#36F192

background

#FDFFFB

surface

#F9FEF2

border

#D2D6CC

text

#12160B

muted

#82857E

Preview Lab

Preview with #99E54A

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

Preview Lab → · Contrast checker → · Palette generator →