#1FBB34#1FBB34

#1FBB34 is a light, highly saturated green. Relative luminance 0.361; OKLCH L 69.1% C 0.212 H 144.2°. Best body text is #000000 at 8.22:1 contrast (WCAG AA passes).

Color values

HEX	#1FBB34
RGB	rgb(31, 187, 52)
HSL	hsl(128, 72%, 43%)
HSV	hsv(128, 83%, 73%)
CMYK	cmyk(83.4%, 0%, 72.2%, 26.7%)
CIE-LAB	lab(66.58, -63.83, 54.57)
CIE-LCH	lch(66.58, 83.98, 139.47°)
OKLab	oklab(69.1% -0.1724 0.1242)
OKLCH	oklch(69.1% 0.212 144.2)
XYZ	xyz(18.9539, 36.0775, 9.2129)
Luminance	0.3608 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1FBB34 #BB1FA6

analogous

#58BB1F #1FBB34 #1FBB82

triadic

#1FBB34 #341FBB #BB341F

tetradic

#1FBB34 #1F58BB #BB1FA6 #BB821F

square

#1FBB34 #1F58BB #BB1FA6 #BB821F

split-complementary

#1FBB34 #821FBB #BB1F58

monochromatic

#0E5217 #168725 #1FBB34 #39DE4F #6EE77E

Accessibility & contrast

On white

2.56

#1FBB34 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.22

#1FBB34 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1FBB34

8.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1FBB34	#FFFFFF	#000000	##000000
##1FBB34	1.00	2.56	8.22	8.22
#FFFFFF	2.56	1.00	21.00	21.00
#000000	8.22	21.00	1.00	1.00
##000000	8.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFA91D

Deuteranopia (green-blind)

#AE9E42

Tritanopia (blue-blind)

#00B6A1

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #1fbb34;
/* rgb */ color: rgb(31, 187, 52);
/* oklch */ color: oklch(69.1% 0.212 144.2);

Tailwind

colors: {
  custom: {
    50: '#7ad173',
    500: '#1fbb34',
    950: '#000000',
  },
}

SCSS

$custom: #1fbb34;
$custom-light: #7ad173;
$custom-dark: #000000;

JSON

{
  "hex": "#1fbb34",
  "rgb": {
    "r": 31,
    "g": 187,
    "b": 52
  },
  "hsl": {
    "h": 128.077,
    "s": 71.56,
    "l": 42.745
  },
  "oklch": {
    "l": 0.69099,
    "c": 0.21244,
    "h": 144.2
  },
  "luminance": 0.3608
}

Semantic roles & 50–950 ramp

primary

#1FBB34

secondary

#CD69C0

accent

#3AD6EE

background

#F8FDF7

surface

#EFFAED

border

#CAD3C8

text

#0B1409

muted

#7C837B

Preview Lab

Preview with #1FBB34

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

Preview Lab → · Contrast checker → · Palette generator →