#99EB5B#99EB5B

#99EB5B is a very light, vivid yellow-green. Relative luminance 0.669; OKLCH L 85.8% C 0.194 H 134.0°. Best body text is #000000 at 14.39:1 contrast (WCAG AA passes).

Color values

HEX	#99EB5B
RGB	rgb(153, 235, 91)
HSL	hsl(94, 78%, 64%)
HSV	hsv(94, 61%, 92%)
CMYK	cmyk(34.9%, 0%, 61.3%, 7.8%)
CIE-LAB	lab(85.47, -48.47, 60.40)
CIE-LCH	lch(85.47, 77.44, 128.74°)
OKLab	oklab(85.84% -0.135 0.14)
OKLCH	oklch(85.84% 0.194 134)
XYZ	xyz(44.7327, 66.9424, 20.4597)
Luminance	0.6694 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99EB5B #AD5BEB

analogous

#E1EB5B #99EB5B #5BEB65

triadic

#99EB5B #5B99EB #EB5B99

tetradic

#99EB5B #5BE1EB #AD5BEB #EB655B

square

#99EB5B #5BE1EB #AD5BEB #EB655B

split-complementary

#99EB5B #655BEB #EB5BE1

monochromatic

#5BB516 #77E424 #99EB5B #BBF292 #DDF8C8

Accessibility & contrast

On white

1.46

#99EB5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.39

#99EB5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99EB5B

14.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99EB5B	#FFFFFF	#000000	##000000
##99EB5B	1.00	1.46	14.39	14.39
#FFFFFF	1.46	1.00	21.00	21.00
#000000	14.39	21.00	1.00	1.00
##000000	14.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F4DA4A

Deuteranopia (green-blind)

#E8D366

Tritanopia (blue-blind)

#99E2CD

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #99eb5b;
/* rgb */ color: rgb(153, 235, 91);
/* oklch */ color: oklch(85.8% 0.194 134.0);

Tailwind

colors: {
  custom: {
    50: '#bcf28f',
    500: '#99eb5b',
    950: '#000000',
  },
}

SCSS

$custom: #99eb5b;
$custom-light: #bcf28f;
$custom-dark: #000000;

JSON

{
  "hex": "#99eb5b",
  "rgb": {
    "r": 153,
    "g": 235,
    "b": 91
  },
  "hsl": {
    "h": 94.167,
    "s": 78.261,
    "l": 63.922
  },
  "oklch": {
    "l": 0.85836,
    "c": 0.19447,
    "h": 134
  },
  "luminance": 0.66944
}

Semantic roles & 50–950 ramp

primary

#99EB5B

secondary

#7E35B5

accent

#0BDB81

background

#FDFFFC

surface

#F9FEF4

border

#D2D6CE

text

#12170D

muted

#82857F

Preview Lab

Preview with #99EB5B

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

Preview Lab → · Contrast checker → · Palette generator →