#99D139#99D139

#99D139 is a light, vivid yellow-green. Relative luminance 0.527; OKLCH L 79.4% C 0.185 H 128.0°. Best body text is #000000 at 11.53:1 contrast (WCAG AA passes).

Color values

HEX	#99D139
RGB	rgb(153, 209, 57)
HSL	hsl(82, 62%, 52%)
HSV	hsv(82, 73%, 82%)
CMYK	cmyk(26.8%, 0%, 72.7%, 18%)
CIE-LAB	lab(77.68, -39.77, 65.35)
CIE-LCH	lch(77.68, 76.50, 121.33°)
OKLab	oklab(79.41% -0.1139 0.146)
OKLCH	oklch(79.41% 0.185 128)
XYZ	xyz(36.6759, 52.6678, 12.1037)
Luminance	0.5267 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99D139 #7139D1

analogous

#D1BD39 #99D139 #4DD139

triadic

#99D139 #3999D1 #D13999

tetradic

#99D139 #39D1BD #7139D1 #D1394D

square

#99D139 #39D1BD #7139D1 #D1394D

split-complementary

#99D139 #394DD1 #BD39D1

monochromatic

#54751B #77A627 #99D139 #B3DD6B #CCE89C

Accessibility & contrast

On white

1.82

#99D139 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.53

#99D139 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99D139

11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99D139	#FFFFFF	#000000	##000000
##99D139	1.00	1.82	11.53	11.53
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.53	21.00	1.00	1.00
##000000	11.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DBC21B

Deuteranopia (green-blind)

#D4BF47

Tritanopia (blue-blind)

#9EC8B4

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #99d139;
/* rgb */ color: rgb(153, 209, 57);
/* oklch */ color: oklch(79.4% 0.185 128.0);

Tailwind

colors: {
  custom: {
    50: '#bbdf79',
    500: '#99d139',
    950: '#000000',
  },
}

SCSS

$custom: #99d139;
$custom-light: #bbdf79;
$custom-dark: #000000;

JSON

{
  "hex": "#99d139",
  "rgb": {
    "r": 153,
    "g": 209,
    "b": 57
  },
  "hsl": {
    "h": 82.105,
    "s": 62.295,
    "l": 52.157
  },
  "oklch": {
    "l": 0.79411,
    "c": 0.18515,
    "h": 128
  },
  "luminance": 0.52669
}

Semantic roles & 50–950 ramp

primary

#99D139

secondary

#4D317D

accent

#42E57E

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#12150A

muted

#82847D

Preview Lab

Preview with #99D139

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

Preview Lab → · Contrast checker → · Palette generator →