#1CA01F#1CA01F

#1CA01F is a mid, vivid green. Relative luminance 0.255; OKLCH L 61.5% C 0.195 H 142.9°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#1CA01F
RGB	rgb(28, 160, 31)
HSL	hsl(121, 70%, 37%)
HSV	hsv(121, 83%, 63%)
CMYK	cmyk(82.5%, 0%, 80.6%, 37.3%)
CIE-LAB	lab(57.55, -57.45, 52.81)
CIE-LCH	lch(57.55, 78.03, 137.41°)
OKLab	oklab(61.53% -0.1558 0.1177)
OKLCH	oklch(61.53% 0.195 142.9)
XYZ	xyz(13.2962, 25.4858, 5.5146)
Luminance	0.2549 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1CA01F #A01C9D

analogous

#5BA01C #1CA01F #1CA061

triadic

#1CA01F #1F1CA0 #A01F1C

tetradic

#1CA01F #1C5BA0 #A01C9D #A0611C

square

#1CA01F #1C5BA0 #A01C9D #A0611C

split-complementary

#1CA01F #611CA0 #A01C5B

monochromatic

#0A380B #136C15 #1CA01F #25D429 #55E158

Accessibility & contrast

On white

3.44

#1CA01F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.10

#1CA01F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1CA01F

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1CA01F	#FFFFFF	#000000	##000000
##1CA01F	1.00	3.44	6.10	6.10
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.10	21.00	1.00	1.00
##000000	6.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A49000

Deuteranopia (green-blind)

#96862F

Tritanopia (blue-blind)

#009B88

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #1ca01f;
/* rgb */ color: rgb(28, 160, 31);
/* oklch */ color: oklch(61.5% 0.195 142.9);

Tailwind

colors: {
  custom: {
    50: '#73bd66',
    500: '#1ca01f',
    950: '#000000',
  },
}

SCSS

$custom: #1ca01f;
$custom-light: #73bd66;
$custom-dark: #000000;

JSON

{
  "hex": "#1ca01f",
  "rgb": {
    "r": 28,
    "g": 160,
    "b": 31
  },
  "hsl": {
    "h": 121.364,
    "s": 70.213,
    "l": 36.863
  },
  "oklch": {
    "l": 0.61528,
    "c": 0.19526,
    "h": 142.9
  },
  "luminance": 0.25487
}

Semantic roles & 50–950 ramp

primary

#1CA01F

secondary

#C453C2

accent

#3BE9ED

background

#F7FBF6

surface

#EEF7EB

border

#C9D0C6

text

#0A1206

muted

#7C817A

Preview Lab

Preview with #1CA01F

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

Preview Lab → · Contrast checker → · Palette generator →