#99EF48#99EF48

#99EF48 is a very light, highly saturated yellow-green. Relative luminance 0.690; OKLCH L 86.6% C 0.213 H 133.0°. Best body text is #000000 at 14.79:1 contrast (WCAG AA passes).

Color values

HEX	#99EF48
RGB	rgb(153, 239, 72)
HSL	hsl(91, 84%, 61%)
HSV	hsv(91, 70%, 94%)
CMYK	cmyk(36%, 0%, 69.9%, 6.3%)
CIE-LAB	lab(86.49, -51.57, 68.88)
CIE-LCH	lch(86.49, 86.05, 126.82°)
OKLab	oklab(86.62% -0.1449 0.1555)
OKLCH	oklch(86.62% 0.213 133)
XYZ	xyz(45.1724, 68.9712, 17.0623)
Luminance	0.6897 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

#A9F971

ΔE00 4.01

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99EF48 #9E48EF

analogous

#EDEF48 #99EF48 #48EF4A

triadic

#99EF48 #4899EF #EF4899

tetradic

#99EF48 #48EDEF #9E48EF #EF4A48

square

#99EF48 #48EDEF #9E48EF #EF4A48

split-complementary

#99EF48 #4A48EF #EF48ED

monochromatic

#5CAD0F #7AE614 #99EF48 #B8F480 #D8F9B9

Accessibility & contrast

On white

1.42

#99EF48 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.79

#99EF48 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99EF48

14.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99EF48	#FFFFFF	#000000	##000000
##99EF48	1.00	1.42	14.79	14.79
#FFFFFF	1.42	1.00	21.00	21.00
#000000	14.79	21.00	1.00	1.00
##000000	14.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F9DD2C

Deuteranopia (green-blind)

#EDD657

Tritanopia (blue-blind)

#9AE6CE

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #99ef48;
/* rgb */ color: rgb(153, 239, 72);
/* oklch */ color: oklch(86.6% 0.213 133.0);

Tailwind

colors: {
  custom: {
    50: '#bdf584',
    500: '#99ef48',
    950: '#000000',
  },
}

SCSS

$custom: #99ef48;
$custom-light: #bdf584;
$custom-dark: #000000;

JSON

{
  "hex": "#99ef48",
  "rgb": {
    "r": 153,
    "g": 239,
    "b": 72
  },
  "hsl": {
    "h": 90.898,
    "s": 83.92,
    "l": 60.98
  },
  "oklch": {
    "l": 0.86617,
    "c": 0.21254,
    "h": 133
  },
  "luminance": 0.68973
}

Semantic roles & 50–950 ramp

primary

#99EF48

secondary

#702DAE

accent

#05E076

background

#FDFFFC

surface

#F9FEF3

border

#D2D6CD

text

#13170C

muted

#82857F

Preview Lab

Preview with #99EF48

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

Preview Lab → · Contrast checker → · Palette generator →