#3FCA15#3FCA15

#3FCA15 is a light, highly saturated green. Relative luminance 0.434; OKLCH L 73.5% C 0.233 H 140.4°. Best body text is #000000 at 9.67:1 contrast (WCAG AA passes).

Color values

HEX	#3FCA15
RGB	rgb(63, 202, 21)
HSL	hsl(106, 81%, 44%)
HSV	hsv(106, 90%, 79%)
CMYK	cmyk(68.8%, 0%, 89.6%, 20.8%)
CIE-LAB	lab(71.79, -65.46, 68.13)
CIE-LCH	lch(71.79, 94.48, 133.86°)
OKLab	oklab(73.55% -0.1795 0.1484)
OKLCH	oklch(73.55% 0.233 140.4)
XYZ	xyz(23.3046, 43.3495, 7.8484)
Luminance	0.4335 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FCA15 #A015CA

analogous

#99CA15 #3FCA15 #15CA45

triadic

#3FCA15 #153FCA #CA153F

tetradic

#3FCA15 #1599CA #A015CA #CA4515

square

#3FCA15 #1599CA #A015CA #CA4515

split-complementary

#3FCA15 #4515CA #CA1599

monochromatic

#1C5B09 #2E930F #3FCA15 #5DEA32 #89EF6A

Accessibility & contrast

On white

2.17

#3FCA15 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.67

#3FCA15 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FCA15

9.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FCA15	#FFFFFF	#000000	##000000
##3FCA15	1.00	2.17	9.67	9.67
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.67	21.00	1.00	1.00
##000000	9.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0B700

Deuteranopia (green-blind)

#C0AC32

Tritanopia (blue-blind)

#22C3AC

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #3fca15;
/* rgb */ color: rgb(63, 202, 21);
/* oklch */ color: oklch(73.5% 0.233 140.4);

Tailwind

colors: {
  custom: {
    50: '#88db6a',
    500: '#3fca15',
    950: '#000000',
  },
}

SCSS

$custom: #3fca15;
$custom-light: #88db6a;
$custom-dark: #000000;

JSON

{
  "hex": "#3fca15",
  "rgb": {
    "r": 63,
    "g": 202,
    "b": 21
  },
  "hsl": {
    "h": 106.077,
    "s": 81.166,
    "l": 43.725
  },
  "oklch": {
    "l": 0.73545,
    "c": 0.23289,
    "h": 140.4
  },
  "luminance": 0.43352
}

Semantic roles & 50–950 ramp

primary

#3FCA15

secondary

#BB66D5

accent

#30F8C9

background

#F9FDF6

surface

#F1FBEC

border

#CBD4C7

text

#0D1507

muted

#7E837A

Preview Lab

Preview with #3FCA15

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

Preview Lab → · Contrast checker → · Palette generator →