#1CA01B#1CA01B

#1CA01B is a mid, vivid green. Relative luminance 0.255; OKLCH L 61.5% C 0.197 H 142.6°. Best body text is #000000 at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#1CA01B
RGB	rgb(28, 160, 27)
HSL	hsl(120, 71%, 37%)
HSV	hsv(120, 83%, 63%)
CMYK	cmyk(82.5%, 0%, 83.1%, 37.3%)
CIE-LAB	lab(57.53, -57.69, 53.96)
CIE-LCH	lch(57.53, 78.99, 136.91°)
OKLab	oklab(61.51% -0.1566 0.1195)
OKLCH	oklch(61.51% 0.197 142.6)
XYZ	xyz(13.2467, 25.4660, 5.2540)
Luminance	0.2547 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1CA01B #9F1BA0

analogous

#5FA01B #1CA01B #1BA05D

triadic

#1CA01B #1B1CA0 #A01B1C

tetradic

#1CA01B #1B5FA0 #9F1BA0 #A05D1B

square

#1CA01B #1B5FA0 #9F1BA0 #A05D1B

split-complementary

#1CA01B #5D1BA0 #A01B5F

monochromatic

#0A3709 #136C12 #1CA01B #25D424 #54E253

Accessibility & contrast

On white

3.45

#1CA01B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.09

#1CA01B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1CA01B

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1CA01B	#FFFFFF	#000000	##000000
##1CA01B	1.00	3.45	6.09	6.09
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.09	21.00	1.00	1.00
##000000	6.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A49000

Deuteranopia (green-blind)

#96862C

Tritanopia (blue-blind)

#009B88

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #1ca01b;
/* rgb */ color: rgb(28, 160, 27);
/* oklch */ color: oklch(61.5% 0.197 142.6);

Tailwind

colors: {
  custom: {
    50: '#73bd64',
    500: '#1ca01b',
    950: '#000000',
  },
}

SCSS

$custom: #1ca01b;
$custom-light: #73bd64;
$custom-dark: #000000;

JSON

{
  "hex": "#1ca01b",
  "rgb": {
    "r": 28,
    "g": 160,
    "b": 27
  },
  "hsl": {
    "h": 119.549,
    "s": 71.123,
    "l": 36.667
  },
  "oklch": {
    "l": 0.61506,
    "c": 0.19703,
    "h": 142.6
  },
  "luminance": 0.25468
}

Semantic roles & 50–950 ramp

primary

#1CA01B

secondary

#C452C5

accent

#3AEEED

background

#F7FBF6

surface

#EEF7EB

border

#C9D0C6

text

#0A1206

muted

#7C817A

Preview Lab

Preview with #1CA01B

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

Preview Lab → · Contrast checker → · Palette generator →