#99EC4B#99EC4B

#99EC4B is a very light, highly saturated yellow-green. Relative luminance 0.673; OKLCH L 85.9% C 0.207 H 132.9°. Best body text is #000000 at 14.45:1 contrast (WCAG AA passes).

Color values

HEX	#99EC4B
RGB	rgb(153, 236, 75)
HSL	hsl(91, 81%, 61%)
HSV	hsv(91, 68%, 93%)
CMYK	cmyk(35.2%, 0%, 68.2%, 7.5%)
CIE-LAB	lab(85.64, -50.14, 66.92)
CIE-LCH	lch(85.64, 83.62, 126.84°)
OKLab	oklab(85.93% -0.1408 0.1518)
OKLCH	oklch(85.93% 0.207 132.9)
XYZ	xyz(44.4017, 67.2693, 17.3000)
Luminance	0.6727 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99EC4B #9E4BEC

analogous

#E9EC4B #99EC4B #4BEC4D

triadic

#99EC4B #4B99EC #EC4B99

tetradic

#99EC4B #4BE9EC #9E4BEC #EC4D4B

square

#99EC4B #4BE9EC #9E4BEC #EC4D4B

split-complementary

#99EC4B #4D4BEC #EC4BE9

monochromatic

#5CAB12 #7AE218 #99EC4B #B8F282 #D8F8BA

Accessibility & contrast

On white

1.45

#99EC4B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.45

#99EC4B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99EC4B

14.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99EC4B	#FFFFFF	#000000	##000000
##99EC4B	1.00	1.45	14.45	14.45
#FFFFFF	1.45	1.00	21.00	21.00
#000000	14.45	21.00	1.00	1.00
##000000	14.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F5DA32

Deuteranopia (green-blind)

#EAD459

Tritanopia (blue-blind)

#9AE3CC

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #99ec4b;
/* rgb */ color: rgb(153, 236, 75);
/* oklch */ color: oklch(85.9% 0.207 132.9);

Tailwind

colors: {
  custom: {
    50: '#bcf286',
    500: '#99ec4b',
    950: '#000000',
  },
}

SCSS

$custom: #99ec4b;
$custom-light: #bcf286;
$custom-dark: #000000;

JSON

{
  "hex": "#99ec4b",
  "rgb": {
    "r": 153,
    "g": 236,
    "b": 75
  },
  "hsl": {
    "h": 90.932,
    "s": 80.905,
    "l": 60.98
  },
  "oklch": {
    "l": 0.8593,
    "c": 0.20702,
    "h": 132.9
  },
  "luminance": 0.67271
}

Semantic roles & 50–950 ramp

primary

#99EC4B

secondary

#7030AC

accent

#08DD76

background

#FDFFFC

surface

#F9FEF4

border

#D2D6CE

text

#12170C

muted

#82857F

Preview Lab

Preview with #99EC4B

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

Preview Lab → · Contrast checker → · Palette generator →