#99BF31#99BF31

#99BF31 is a light, vivid yellow-green. Relative luminance 0.443; OKLCH L 75.1% C 0.168 H 123.8°. Best body text is #000000 at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#99BF31
RGB	rgb(153, 191, 49)
HSL	hsl(76, 59%, 47%)
HSV	hsv(76, 74%, 75%)
CMYK	cmyk(19.9%, 0%, 74.3%, 25.1%)
CIE-LAB	lab(72.40, -32.03, 62.95)
CIE-LCH	lch(72.40, 70.63, 116.97°)
OKLab	oklab(75.12% -0.0934 0.1397)
OKLCH	oklch(75.12% 0.168 123.8)
XYZ	xyz(32.3224, 44.2554, 9.7444)
Luminance	0.4426 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99BF31 #5731BF

analogous

#BF9E31 #99BF31 #52BF31

triadic

#99BF31 #3199BF #BF3199

tetradic

#99BF31 #31BF9E #5731BF #BF3152

square

#99BF31 #31BF9E #5731BF #BF3152

split-complementary

#99BF31 #3152BF #9E31BF

monochromatic

#4B5E18 #728E25 #99BF31 #B3D459 #C9E18A

Accessibility & contrast

On white

2.13

#99BF31 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.85

#99BF31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99BF31

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99BF31	#FFFFFF	#000000	##000000
##99BF31	1.00	2.13	9.85	9.85
#FFFFFF	2.13	1.00	21.00	21.00
#000000	9.85	21.00	1.00	1.00
##000000	9.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAB312

Deuteranopia (green-blind)

#C5B13E

Tritanopia (blue-blind)

#A1B5A4

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #99bf31;
/* rgb */ color: rgb(153, 191, 49);
/* oklch */ color: oklch(75.1% 0.168 123.8);

Tailwind

colors: {
  custom: {
    50: '#bbd274',
    500: '#99bf31',
    950: '#000000',
  },
}

SCSS

$custom: #99bf31;
$custom-light: #bbd274;
$custom-dark: #000000;

JSON

{
  "hex": "#99bf31",
  "rgb": {
    "r": 153,
    "g": 191,
    "b": 49
  },
  "hsl": {
    "h": 76.056,
    "s": 59.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.75117,
    "c": 0.16802,
    "h": 123.8
  },
  "luminance": 0.44256
}

Semantic roles & 50–950 ramp

primary

#99BF31

secondary

#9581CB

accent

#45E26F

background

#FBFCF7

surface

#F7F9ED

border

#D0D2C8

text

#121409

muted

#81827B

Preview Lab

Preview with #99BF31

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

Preview Lab → · Contrast checker → · Palette generator →