#99EB59#99EB59

#99EB59 is a very light, vivid yellow-green. Relative luminance 0.669; OKLCH L 85.8% C 0.196 H 133.8°. Best body text is #000000 at 14.38:1 contrast (WCAG AA passes).

Color values

HEX	#99EB59
RGB	rgb(153, 235, 89)
HSL	hsl(94, 78%, 64%)
HSV	hsv(94, 62%, 92%)
CMYK	cmyk(34.9%, 0%, 62.1%, 7.8%)
CIE-LAB	lab(85.46, -48.64, 61.22)
CIE-LCH	lch(85.46, 78.19, 128.47°)
OKLab	oklab(85.82% -0.1356 0.1415)
OKLCH	oklch(85.82% 0.196 133.8)
XYZ	xyz(44.6476, 66.9083, 20.0114)
Luminance	0.6691 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99EB59 #AB59EB

analogous

#E2EB59 #99EB59 #59EB62

triadic

#99EB59 #5999EB #EB5999

tetradic

#99EB59 #59E2EB #AB59EB #EB6259

square

#99EB59 #59E2EB #AB59EB #EB6259

split-complementary

#99EB59 #6259EB #EB59E2

monochromatic

#5BB416 #77E422 #99EB59 #BBF290 #DCF8C6

Accessibility & contrast

On white

1.46

#99EB59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.38

#99EB59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99EB59

14.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99EB59	#FFFFFF	#000000	##000000
##99EB59	1.00	1.46	14.38	14.38
#FFFFFF	1.46	1.00	21.00	21.00
#000000	14.38	21.00	1.00	1.00
##000000	14.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F4DA47

Deuteranopia (green-blind)

#E8D364

Tritanopia (blue-blind)

#99E2CC

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #99eb59;
/* rgb */ color: rgb(153, 235, 89);
/* oklch */ color: oklch(85.8% 0.196 133.8);

Tailwind

colors: {
  custom: {
    50: '#bcf28d',
    500: '#99eb59',
    950: '#000000',
  },
}

SCSS

$custom: #99eb59;
$custom-light: #bcf28d;
$custom-dark: #000000;

JSON

{
  "hex": "#99eb59",
  "rgb": {
    "r": 153,
    "g": 235,
    "b": 89
  },
  "hsl": {
    "h": 93.699,
    "s": 78.495,
    "l": 63.529
  },
  "oklch": {
    "l": 0.85816,
    "c": 0.19599,
    "h": 133.8
  },
  "luminance": 0.6691
}

Semantic roles & 50–950 ramp

primary

#99EB59

secondary

#7C34B4

accent

#0BDB80

background

#FDFFFC

surface

#F9FEF4

border

#D2D6CE

text

#12170D

muted

#82857F

Preview Lab

Preview with #99EB59

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

Preview Lab → · Contrast checker → · Palette generator →