#99C138#99C138

#99C138 is a light, vivid yellow-green. Relative luminance 0.452; OKLCH L 75.6% C 0.166 H 124.6°. Best body text is #000000 at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#99C138
RGB	rgb(153, 193, 56)
HSL	hsl(78, 55%, 49%)
HSV	hsv(78, 71%, 76%)
CMYK	cmyk(20.7%, 0%, 71%, 24.3%)
CIE-LAB	lab(73.02, -32.57, 61.11)
CIE-LCH	lch(73.02, 69.25, 118.06°)
OKLab	oklab(75.63% -0.0943 0.1369)
OKLCH	oklch(75.63% 0.166 124.6)
XYZ	xyz(32.9209, 45.1974, 10.7302)
Luminance	0.4520 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99C138 #6038C1

analogous

#C1A538 #99C138 #55C138

triadic

#99C138 #3899C1 #C13899

tetradic

#99C138 #38C1A5 #6038C1 #C13855

square

#99C138 #38C1A5 #6038C1 #C13855

split-complementary

#99C138 #3855C1 #A538C1

monochromatic

#4E621C #73922A #99C138 #B2D264 #CAE094

Accessibility & contrast

On white

2.09

#99C138 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.04

#99C138 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99C138

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99C138	#FFFFFF	#000000	##000000
##99C138	1.00	2.09	10.04	10.04
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.04	21.00	1.00	1.00
##000000	10.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCB520

Deuteranopia (green-blind)

#C6B344

Tritanopia (blue-blind)

#A0B8A6

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #99c138;
/* rgb */ color: rgb(153, 193, 56);
/* oklch */ color: oklch(75.6% 0.166 124.6);

Tailwind

colors: {
  custom: {
    50: '#bbd377',
    500: '#99c138',
    950: '#000000',
  },
}

SCSS

$custom: #99c138;
$custom-light: #bbd377;
$custom-dark: #000000;

JSON

{
  "hex": "#99c138",
  "rgb": {
    "r": 153,
    "g": 193,
    "b": 56
  },
  "hsl": {
    "h": 77.518,
    "s": 55.02,
    "l": 48.824
  },
  "oklch": {
    "l": 0.75634,
    "c": 0.16624,
    "h": 124.6
  },
  "luminance": 0.45198
}

Semantic roles & 50–950 ramp

primary

#99C138

secondary

#9D8ACB

accent

#49DE75

background

#FBFCF7

surface

#F7F9EE

border

#D0D2C9

text

#121409

muted

#81827B

Preview Lab

Preview with #99C138

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

Preview Lab → · Contrast checker → · Palette generator →