#257E2A#257E2A

#257E2A is a mid, vivid green. Relative luminance 0.155; OKLCH L 52.2% C 0.146 H 143.9°. Best body text is #FFFFFF at 5.13:1 contrast (WCAG AA passes).

Color values

HEX#257E2A
RGBrgb(37, 126, 42)
HSLhsl(123, 55%, 32%)
HSVhsv(123, 71%, 49%)
CMYKcmyk(70.6%, 0%, 66.7%, 50.6%)
CIE-LABlab(46.29, -43.65, 37.12)
CIE-LCHlch(46.29, 57.30, 139.62°)
OKLaboklab(52.25% -0.1183 0.0862)
OKLCHoklch(52.25% 0.146 143.9)
XYZxyz(8.6412, 15.4813, 4.7228)
Luminance0.1548 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#257E2A #7E2579
analogous
#4D7E25 #257E2A #257E57
triadic
#257E2A #2A257E #7E2A25
tetradic
#257E2A #254D7E #7E2579 #7E5725
square
#257E2A #254D7E #7E2579 #7E5725
split-complementary
#257E2A #57257E #7E254D
monochromatic
#091F0A #174F1A #257E2A #33AD3A #51CC58

Accessibility & contrast

On white

5.13
#257E2A on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.10
#257E2A on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257E2A
5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##257E2A#FFFFFF#000000##FFFFFF
##257E2A1.005.134.105.13
#FFFFFF5.131.0021.001.00
#0000004.1021.001.0021.00
##FFFFFF5.131.0021.001.00

Color blindness preview

Protanopia (red-blind)
#807220
Deuteranopia (green-blind)
#766B31
Tritanopia (blue-blind)
#0A7A6C
Achromatopsia (no color)
#6E6E6E

Design tokens & code

CSS
--color: #257e2a;
/* rgb */ color: rgb(37, 126, 42);
/* oklch */ color: oklch(52.2% 0.146 143.9);
Tailwind
colors: {
  custom: {
    50: '#6da467',
    500: '#257e2a',
    950: '#000000',
  },
}
SCSS
$custom: #257e2a;
$custom-light: #6da467;
$custom-dark: #000000;
JSON
{
  "hex": "#257e2a",
  "rgb": {
    "r": 37,
    "g": 126,
    "b": 42
  },
  "hsl": {
    "h": 123.371,
    "s": 54.601,
    "l": 31.961
  },
  "oklch": {
    "l": 0.52249,
    "c": 0.14636,
    "h": 143.9
  },
  "luminance": 0.15482
}

Semantic roles & 50–950 ramp

primary
#257E2A
secondary
#B04FAB
accent
#4AD6DE
background
#F7FAF6
surface
#EDF4EB
border
#C8CEC6
text
#080F06
muted
#7B7F7A

Preview Lab

Preview with #257E2A

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

Preview Lab → · Contrast checker → · Palette generator →

#257E2A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva