#3FB03B#3FB03B

#3FB03B is a light, vivid green. Relative luminance 0.324; OKLCH L 66.9% C 0.186 H 142.7°. Best body text is #000000 at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#3FB03B
RGB	rgb(63, 176, 59)
HSL	hsl(118, 50%, 46%)
HSV	hsv(118, 66%, 69%)
CMYK	cmyk(64.2%, 0%, 66.5%, 31%)
CIE-LAB	lab(63.69, -54.44, 48.92)
CIE-LCH	lch(63.69, 73.19, 138.06°)
OKLab	oklab(66.89% -0.148 0.113)
OKLCH	oklch(66.89% 0.186 142.7)
XYZ	xyz(18.3636, 32.4214, 9.4270)
Luminance	0.3242 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB03B #AC3BB0

analogous

#79B03B #3FB03B #3BB071

triadic

#3FB03B #3B3FB0 #B03B3F

tetradic

#3FB03B #3B79B0 #AC3BB0 #B0713B

square

#3FB03B #3B79B0 #AC3BB0 #B0713B

split-complementary

#3FB03B #713BB0 #B03B79

monochromatic

#1E541C #2F822C #3FB03B #63C95F #8FD98D

Accessibility & contrast

On white

2.81

#3FB03B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.48

#3FB03B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB03B

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB03B	#FFFFFF	#000000	##000000
##3FB03B	1.00	2.81	7.48	7.48
#FFFFFF	2.81	1.00	21.00	21.00
#000000	7.48	21.00	1.00	1.00
##000000	7.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4A02C

Deuteranopia (green-blind)

#A69746

Tritanopia (blue-blind)

#28AB98

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #3fb03b;
/* rgb */ color: rgb(63, 176, 59);
/* oklch */ color: oklch(66.9% 0.186 142.7);

Tailwind

colors: {
  custom: {
    50: '#82c976',
    500: '#3fb03b',
    950: '#000000',
  },
}

SCSS

$custom: #3fb03b;
$custom-light: #82c976;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb03b",
  "rgb": {
    "r": 63,
    "g": 176,
    "b": 59
  },
  "hsl": {
    "h": 117.949,
    "s": 49.787,
    "l": 46.078
  },
  "oklch": {
    "l": 0.66893,
    "c": 0.18622,
    "h": 142.7
  },
  "luminance": 0.32423
}

Semantic roles & 50–950 ramp

primary

#3FB03B

secondary

#C183C3

accent

#4ED9D5

background

#F8FCF7

surface

#F0F8ED

border

#CBD1C8

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #3FB03B

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

Preview Lab → · Contrast checker → · Palette generator →