#99C02B#99C02B

#99C02B is a light, vivid yellow-green. Relative luminance 0.446; OKLCH L 75.3% C 0.172 H 123.8°. Best body text is #000000 at 9.93:1 contrast (WCAG AA passes).

Color values

HEX	#99C02B
RGB	rgb(153, 192, 43)
HSL	hsl(76, 63%, 46%)
HSV	hsv(76, 78%, 75%)
CMYK	cmyk(20.3%, 0%, 77.6%, 24.7%)
CIE-LAB	lab(72.66, -32.79, 65.11)
CIE-LCH	lch(72.66, 72.90, 116.73°)
OKLab	oklab(75.32% -0.0959 0.1432)
OKLCH	oklch(75.32% 0.172 123.8)
XYZ	xyz(32.4229, 44.6457, 9.1944)
Luminance	0.4465 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99C02B #522BC0

analogous

#C09C2B #99C02B #4EC02B

triadic

#99C02B #2B99C0 #C02B99

tetradic

#99C02B #2BC09C #522BC0 #C02B4E

square

#99C02B #2BC09C #522BC0 #C02B4E

split-complementary

#99C02B #2B4EC0 #9C2BC0

monochromatic

#495C15 #718E20 #99C02B #B4D850 #CAE382

Accessibility & contrast

On white

2.11

#99C02B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.93

#99C02B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99C02B

9.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99C02B	#FFFFFF	#000000	##000000
##99C02B	1.00	2.11	9.93	9.93
#FFFFFF	2.11	1.00	21.00	21.00
#000000	9.93	21.00	1.00	1.00
##000000	9.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBB300

Deuteranopia (green-blind)

#C6B23A

Tritanopia (blue-blind)

#A1B6A4

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #99c02b;
/* rgb */ color: rgb(153, 192, 43);
/* oklch */ color: oklch(75.3% 0.172 123.8);

Tailwind

colors: {
  custom: {
    50: '#bbd371',
    500: '#99c02b',
    950: '#000000',
  },
}

SCSS

$custom: #99c02b;
$custom-light: #bbd371;
$custom-dark: #000000;

JSON

{
  "hex": "#99c02b",
  "rgb": {
    "r": 153,
    "g": 192,
    "b": 43
  },
  "hsl": {
    "h": 75.705,
    "s": 63.404,
    "l": 46.078
  },
  "oklch": {
    "l": 0.75316,
    "c": 0.1724,
    "h": 123.8
  },
  "luminance": 0.44646
}

Semantic roles & 50–950 ramp

primary

#99C02B

secondary

#907BCC

accent

#41E66D

background

#FBFCF7

surface

#F7F9ED

border

#D0D2C8

text

#121408

muted

#81827B

Preview Lab

Preview with #99C02B

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

Preview Lab → · Contrast checker → · Palette generator →