#1F9E51#1F9E51

#1F9E51 is a mid, vivid green. Relative luminance 0.253; OKLCH L 61.6% C 0.155 H 151.0°. Best body text is #000000 at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#1F9E51
RGB	rgb(31, 158, 81)
HSL	hsl(144, 67%, 37%)
HSV	hsv(144, 80%, 62%)
CMYK	cmyk(80.4%, 0%, 48.7%, 38%)
CIE-LAB	lab(57.40, -50.61, 30.88)
CIE-LCH	lch(57.40, 59.28, 148.61°)
OKLab	oklab(61.58% -0.1359 0.0754)
OKLCH	oklch(61.58% 0.155 151)
XYZ	xyz(14.2759, 25.3374, 11.9212)
Luminance	0.2534 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F9E51 #9E1F6C

analogous

#2D9E1F #1F9E51 #1F9E91

triadic

#1F9E51 #511F9E #9E511F

tetradic

#1F9E51 #1F2D9E #9E1F6C #9E911F

square

#1F9E51 #1F2D9E #9E1F6C #9E911F

split-complementary

#1F9E51 #911F9E #9E1F2D

monochromatic

#0B381D #156B37 #1F9E51 #29D16B #59DE8E

Accessibility & contrast

On white

3.46

#1F9E51 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.07

#1F9E51 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F9E51

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F9E51	#FFFFFF	#000000	##000000
##1F9E51	1.00	3.46	6.07	6.07
#FFFFFF	3.46	1.00	21.00	21.00
#000000	6.07	21.00	1.00	1.00
##000000	6.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9F904B

Deuteranopia (green-blind)

#908657

Tritanopia (blue-blind)

#009B8C

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #1f9e51;
/* rgb */ color: rgb(31, 158, 81);
/* oklch */ color: oklch(61.6% 0.155 151.0);

Tailwind

colors: {
  custom: {
    50: '#71bc83',
    500: '#1f9e51',
    950: '#000000',
  },
}

SCSS

$custom: #1f9e51;
$custom-light: #71bc83;
$custom-dark: #000000;

JSON

{
  "hex": "#1f9e51",
  "rgb": {
    "r": 31,
    "g": 158,
    "b": 81
  },
  "hsl": {
    "h": 143.622,
    "s": 67.196,
    "l": 37.059
  },
  "oklch": {
    "l": 0.61576,
    "c": 0.1554,
    "h": 151
  },
  "luminance": 0.25339
}

Semantic roles & 50–950 ramp

primary

#1F9E51

secondary

#C25698

accent

#3EA6EA

background

#F7FBF8

surface

#EDF6EF

border

#C8D0CA

text

#09120B

muted

#7B817C

Preview Lab

Preview with #1F9E51

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

Preview Lab → · Contrast checker → · Palette generator →