#99EF5A#99EF5A

#99EF5A is a very light, highly saturated yellow-green. Relative luminance 0.692; OKLCH L 86.8% C 0.200 H 134.3°. Best body text is #000000 at 14.85:1 contrast (WCAG AA passes).

Color values

HEX	#99EF5A
RGB	rgb(153, 239, 90)
HSL	hsl(95, 82%, 65%)
HSV	hsv(95, 62%, 94%)
CMYK	cmyk(36%, 0%, 62.3%, 6.3%)
CIE-LAB	lab(86.62, -50.21, 62.08)
CIE-LCH	lch(86.62, 79.85, 128.97°)
OKLab	oklab(86.77% -0.1399 0.1434)
OKLCH	oklch(86.77% 0.2 134.3)
XYZ	xyz(45.8479, 69.2414, 20.6201)
Luminance	0.6924 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99EF5A #B05AEF

analogous

#E3EF5A #99EF5A #5AEF66

triadic

#99EF5A #5A99EF #EF5A99

tetradic

#99EF5A #5AE3EF #B05AEF #EF665A

square

#99EF5A #5AE3EF #B05AEF #EF665A

split-complementary

#99EF5A #665AEF #EF5AE3

monochromatic

#5ABC12 #77EA22 #99EF5A #BBF492 #DEFACA

Accessibility & contrast

On white

1.41

#99EF5A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.85

#99EF5A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99EF5A

14.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99EF5A	#FFFFFF	#000000	##000000
##99EF5A	1.00	1.41	14.85	14.85
#FFFFFF	1.41	1.00	21.00	21.00
#000000	14.85	21.00	1.00	1.00
##000000	14.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F8DD48

Deuteranopia (green-blind)

#ECD666

Tritanopia (blue-blind)

#98E6D0

Achromatopsia (no color)

#D9D9D9

Design tokens & code

CSS

--color: #99ef5a;
/* rgb */ color: rgb(153, 239, 90);
/* oklch */ color: oklch(86.8% 0.200 134.3);

Tailwind

colors: {
  custom: {
    50: '#bcf58e',
    500: '#99ef5a',
    950: '#000000',
  },
}

SCSS

$custom: #99ef5a;
$custom-light: #bcf58e;
$custom-dark: #000000;

JSON

{
  "hex": "#99ef5a",
  "rgb": {
    "r": 153,
    "g": 239,
    "b": 90
  },
  "hsl": {
    "h": 94.631,
    "s": 82.32,
    "l": 64.51
  },
  "oklch": {
    "l": 0.86769,
    "c": 0.20033,
    "h": 134.3
  },
  "luminance": 0.69243
}

Semantic roles & 50–950 ramp

primary

#99EF5A

secondary

#8132BB

accent

#07DF83

background

#FDFFFC

surface

#F9FEF4

border

#D2D6CE

text

#12170D

muted

#82857F

Preview Lab

Preview with #99EF5A

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

Preview Lab → · Contrast checker → · Palette generator →