#1FA42B#1FA42B

#1FA42B is a light, vivid green. Relative luminance 0.270; OKLCH L 62.8% C 0.193 H 143.8°. Best body text is #000000 at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#1FA42B
RGB	rgb(31, 164, 43)
HSL	hsl(125, 68%, 38%)
HSV	hsv(125, 81%, 64%)
CMYK	cmyk(81.1%, 0%, 73.8%, 35.7%)
CIE-LAB	lab(58.99, -57.44, 50.15)
CIE-LCH	lch(58.99, 76.25, 138.88°)
OKLab	oklab(62.76% -0.1554 0.1138)
OKLCH	oklch(62.76% 0.193 143.8)
XYZ	xyz(14.2756, 27.0149, 6.7471)
Luminance	0.2702 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1FA42B #A41F98

analogous

#55A41F #1FA42B #1FA46E

triadic

#1FA42B #2B1FA4 #A42B1F

tetradic

#1FA42B #1F55A4 #A41F98 #A46E1F

square

#1FA42B #1F55A4 #A41F98 #A46E1F

split-complementary

#1FA42B #6E1FA4 #A41F55

monochromatic

#0C3D10 #15711E #1FA42B #2AD739 #5DE069

Accessibility & contrast

On white

3.28

#1FA42B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.40

#1FA42B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1FA42B

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1FA42B	#FFFFFF	#000000	##000000
##1FA42B	1.00	3.28	6.40	6.40
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.40	21.00	1.00	1.00
##000000	6.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A79415

Deuteranopia (green-blind)

#998A38

Tritanopia (blue-blind)

#009F8C

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #1fa42b;
/* rgb */ color: rgb(31, 164, 43);
/* oklch */ color: oklch(62.8% 0.193 143.8);

Tailwind

colors: {
  custom: {
    50: '#74c06c',
    500: '#1fa42b',
    950: '#000000',
  },
}

SCSS

$custom: #1fa42b;
$custom-light: #74c06c;
$custom-dark: #000000;

JSON

{
  "hex": "#1fa42b",
  "rgb": {
    "r": 31,
    "g": 164,
    "b": 43
  },
  "hsl": {
    "h": 125.414,
    "s": 68.205,
    "l": 38.235
  },
  "oklch": {
    "l": 0.62763,
    "c": 0.19258,
    "h": 143.8
  },
  "luminance": 0.27017
}

Semantic roles & 50–950 ramp

primary

#1FA42B

secondary

#C55ABB

accent

#3DDBEB

background

#F7FCF6

surface

#EEF8EC

border

#C9D1C7

text

#0A1207

muted

#7C817A

Preview Lab

Preview with #1FA42B

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

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