#99B554#99B554

#99B554 is a light, vivid yellow-green. Relative luminance 0.405; OKLCH L 73.1% C 0.128 H 123.0°. Best body text is #000000 at 9.09:1 contrast (WCAG AA passes).

Color values

HEX	#99B554
RGB	rgb(153, 181, 84)
HSL	hsl(77, 40%, 52%)
HSV	hsv(77, 54%, 71%)
CMYK	cmyk(15.5%, 0%, 53.6%, 29%)
CIE-LAB	lab(69.80, -24.67, 45.68)
CIE-LCH	lch(69.80, 51.91, 118.38°)
OKLab	oklab(73.11% -0.0698 0.1077)
OKLCH	oklch(73.11% 0.128 123)
XYZ	xyz(31.2611, 40.4600, 14.5484)
Luminance	0.4046 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99B554 #7054B5

analogous

#B5A154 #99B554 #68B554

triadic

#99B554 #5499B5 #B55499

tetradic

#99B554 #54B5A1 #7054B5 #B55468

square

#99B554 #54B5A1 #7054B5 #B55468

split-complementary

#99B554 #5468B5 #A154B5

monochromatic

#53642B #778E3E #99B554 #B2C77F #CCDAA9

Accessibility & contrast

On white

2.31

#99B554 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.09

#99B554 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99B554

9.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99B554	#FFFFFF	#000000	##000000
##99B554	1.00	2.31	9.09	9.09
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.09	21.00	1.00	1.00
##000000	9.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BEAB4B

Deuteranopia (green-blind)

#BBAA5A

Tritanopia (blue-blind)

#9FAD9F

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #99b554;
/* rgb */ color: rgb(153, 181, 84);
/* oklch */ color: oklch(73.1% 0.128 123.0);

Tailwind

colors: {
  custom: {
    50: '#b9cb87',
    500: '#99b554',
    950: '#000000',
  },
}

SCSS

$custom: #99b554;
$custom-light: #b9cb87;
$custom-dark: #000000;

JSON

{
  "hex": "#99b554",
  "rgb": {
    "r": 153,
    "g": 181,
    "b": 84
  },
  "hsl": {
    "h": 77.32,
    "s": 39.592,
    "l": 51.961
  },
  "oklch": {
    "l": 0.73109,
    "c": 0.12832,
    "h": 123
  },
  "luminance": 0.4046
}

Semantic roles & 50–950 ramp

primary

#99B554

secondary

#A99DC8

accent

#58CF7B

background

#FBFCF8

surface

#F6F8F0

border

#D0D1CB

text

#12130B

muted

#81827C

Preview Lab

Preview with #99B554

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

Preview Lab → · Contrast checker → · Palette generator →