#1FA637#1FA637

#1FA637 is a light, vivid green. Relative luminance 0.278; OKLCH L 63.4% C 0.187 H 145.2°. Best body text is #000000 at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#1FA637
RGB	rgb(31, 166, 55)
HSL	hsl(131, 69%, 39%)
HSV	hsv(131, 81%, 65%)
CMYK	cmyk(81.3%, 0%, 66.9%, 34.9%)
CIE-LAB	lab(59.74, -56.94, 46.12)
CIE-LCH	lch(59.74, 73.27, 140.99°)
OKLab	oklab(63.42% -0.1535 0.1068)
OKLCH	oklch(63.42% 0.187 145.2)
XYZ	xyz(14.8898, 27.8378, 8.2022)
Luminance	0.2784 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1FA637 #A61F8E

analogous

#4AA61F #1FA637 #1FA67A

triadic

#1FA637 #371FA6 #A6371F

tetradic

#1FA637 #1F4AA6 #A61F8E #A67A1F

square

#1FA637 #1F4AA6 #A61F8E #A67A1F

split-complementary

#1FA637 #7A1FA6 #A61F4A

monochromatic

#0C3F15 #157226 #1FA637 #2BD749 #5EE176

Accessibility & contrast

On white

3.20

#1FA637 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.57

#1FA637 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1FA637

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1FA637	#FFFFFF	#000000	##000000
##1FA637	1.00	3.20	6.57	6.57
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.57	21.00	1.00	1.00
##000000	6.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A99629

Deuteranopia (green-blind)

#9A8C41

Tritanopia (blue-blind)

#00A28F

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #1fa637;
/* rgb */ color: rgb(31, 166, 55);
/* oklch */ color: oklch(63.4% 0.187 145.2);

Tailwind

colors: {
  custom: {
    50: '#74c273',
    500: '#1fa637',
    950: '#000000',
  },
}

SCSS

$custom: #1fa637;
$custom-light: #74c273;
$custom-dark: #000000;

JSON

{
  "hex": "#1fa637",
  "rgb": {
    "r": 31,
    "g": 166,
    "b": 55
  },
  "hsl": {
    "h": 130.667,
    "s": 68.528,
    "l": 38.627
  },
  "oklch": {
    "l": 0.6342,
    "c": 0.18697,
    "h": 145.2
  },
  "luminance": 0.2784
}

Semantic roles & 50–950 ramp

primary

#1FA637

secondary

#C55BB3

accent

#3CCCEB

background

#F7FCF7

surface

#EEF8ED

border

#C9D1C8

text

#0A1208

muted

#7C817B

Preview Lab

Preview with #1FA637

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

Preview Lab → · Contrast checker → · Palette generator →