#99EC5A#99EC5A

#99EC5A is a very light, vivid yellow-green. Relative luminance 0.675; OKLCH L 86.1% C 0.197 H 134.0°. Best body text is #000000 at 14.50:1 contrast (WCAG AA passes).

Color values

HEX	#99EC5A
RGB	rgb(153, 236, 90)
HSL	hsl(94, 79%, 64%)
HSV	hsv(94, 62%, 93%)
CMYK	cmyk(35.2%, 0%, 61.9%, 7.5%)
CIE-LAB	lab(85.76, -48.97, 61.13)
CIE-LCH	lch(85.76, 78.33, 128.70°)
OKLab	oklab(86.06% -0.1365 0.1414)
OKLCH	oklch(86.06% 0.197 134)
XYZ	xyz(44.9769, 67.4995, 20.3298)
Luminance	0.6750 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99EC5A #AD5AEC

analogous

#E2EC5A #99EC5A #5AEC64

triadic

#99EC5A #5A99EC #EC5A99

tetradic

#99EC5A #5AE2EC #AD5AEC #EC645A

square

#99EC5A #5AE2EC #AD5AEC #EC645A

split-complementary

#99EC5A #645AEC #EC5AE2

monochromatic

#5BB715 #77E623 #99EC5A #BBF291 #DDF9C8

Accessibility & contrast

On white

1.45

#99EC5A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.50

#99EC5A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99EC5A

14.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99EC5A	#FFFFFF	#000000	##000000
##99EC5A	1.00	1.45	14.50	14.50
#FFFFFF	1.45	1.00	21.00	21.00
#000000	14.50	21.00	1.00	1.00
##000000	14.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F5DB49

Deuteranopia (green-blind)

#E9D465

Tritanopia (blue-blind)

#99E3CD

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #99ec5a;
/* rgb */ color: rgb(153, 236, 90);
/* oklch */ color: oklch(86.1% 0.197 134.0);

Tailwind

colors: {
  custom: {
    50: '#bcf28e',
    500: '#99ec5a',
    950: '#000000',
  },
}

SCSS

$custom: #99ec5a;
$custom-light: #bcf28e;
$custom-dark: #000000;

JSON

{
  "hex": "#99ec5a",
  "rgb": {
    "r": 153,
    "g": 236,
    "b": 90
  },
  "hsl": {
    "h": 94.11,
    "s": 79.348,
    "l": 63.922
  },
  "oklch": {
    "l": 0.86062,
    "c": 0.19651,
    "h": 134
  },
  "luminance": 0.67501
}

Semantic roles & 50–950 ramp

primary

#99EC5A

secondary

#7E34B6

accent

#0ADC81

background

#FDFFFC

surface

#F9FEF4

border

#D2D6CE

text

#12170D

muted

#82857F

Preview Lab

Preview with #99EC5A

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

Preview Lab → · Contrast checker → · Palette generator →