#1CB31D#1CB31D

#1CB31D is a light, highly saturated green. Relative luminance 0.326; OKLCH L 66.7% C 0.216 H 142.7°. Best body text is #000000 at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#1CB31D
RGB	rgb(28, 179, 29)
HSL	hsl(120, 73%, 41%)
HSV	hsv(120, 84%, 70%)
CMYK	cmyk(84.4%, 0%, 83.8%, 29.8%)
CIE-LAB	lab(63.81, -63.31, 59.19)
CIE-LCH	lch(63.81, 86.67, 136.93°)
OKLab	oklab(66.75% -0.1718 0.1308)
OKLCH	oklch(66.75% 0.216 142.7)
XYZ	xyz(16.8197, 32.5737, 6.5630)
Luminance	0.3258 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1CB31D #B31CB2

analogous

#67B31C #1CB31D #1CB368

triadic

#1CB31D #1D1CB3 #B31D1C

tetradic

#1CB31D #1C67B3 #B31CB2 #B3681C

square

#1CB31D #1C67B3 #B31CB2 #B3681C

split-complementary

#1CB31D #681CB3 #B31C67

monochromatic

#0B490C #147E14 #1CB31D #2EDE2F #63E764

Accessibility & contrast

On white

2.79

#1CB31D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.52

#1CB31D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1CB31D

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1CB31D	#FFFFFF	#000000	##000000
##1CB31D	1.00	2.79	7.52	7.52
#FFFFFF	2.79	1.00	21.00	21.00
#000000	7.52	21.00	1.00	1.00
##000000	7.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A100

Deuteranopia (green-blind)

#A89631

Tritanopia (blue-blind)

#00AD98

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #1cb31d;
/* rgb */ color: rgb(28, 179, 29);
/* oklch */ color: oklch(66.7% 0.216 142.7);

Tailwind

colors: {
  custom: {
    50: '#78cb68',
    500: '#1cb31d',
    950: '#000000',
  },
}

SCSS

$custom: #1cb31d;
$custom-light: #78cb68;
$custom-dark: #000000;

JSON

{
  "hex": "#1cb31d",
  "rgb": {
    "r": 28,
    "g": 179,
    "b": 29
  },
  "hsl": {
    "h": 120.397,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.66746,
    "c": 0.21591,
    "h": 142.7
  },
  "luminance": 0.32576
}

Semantic roles & 50–950 ramp

primary

#1CB31D

secondary

#CB5FCB

accent

#38EEF0

background

#F8FCF6

surface

#EFF9EB

border

#CAD2C6

text

#0B1307

muted

#7C827A

Preview Lab

Preview with #1CB31D

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

Preview Lab → · Contrast checker → · Palette generator →