#257A40#257A40

#257A40 is a mid, vivid green. Relative luminance 0.147; OKLCH L 51.4% C 0.121 H 150.2°. Best body text is #FFFFFF at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#257A40
RGB	rgb(37, 122, 64)
HSL	hsl(139, 53%, 31%)
HSV	hsv(139, 70%, 48%)
CMYK	cmyk(69.7%, 0%, 47.5%, 52.2%)
CIE-LAB	lab(45.20, -38.89, 24.53)
CIE-LCH	lch(45.20, 45.98, 147.76°)
OKLab	oklab(51.44% -0.1048 0.0601)
OKLCH	oklch(51.44% 0.121 150.2)
XYZ	xyz(8.6472, 14.6816, 7.2276)
Luminance	0.1468 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257A40 #7A255F

analogous

#347A25 #257A40 #257A6A

triadic

#257A40 #40257A #7A4025

tetradic

#257A40 #25347A #7A255F #7A6A25

square

#257A40 #25347A #7A255F #7A6A25

split-complementary

#257A40 #6A257A #7A2534

monochromatic

#091C0F #174B27 #257A40 #33A959 #50CA76

Accessibility & contrast

On white

5.33

#257A40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#257A40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257A40

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257A40	#FFFFFF	#000000	##FFFFFF
##257A40	1.00	5.33	3.94	5.33
#FFFFFF	5.33	1.00	21.00	1.00
#000000	3.94	21.00	1.00	21.00
##FFFFFF	5.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B6F3C

Deuteranopia (green-blind)

#706844

Tritanopia (blue-blind)

#00786C

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #257a40;
/* rgb */ color: rgb(37, 122, 64);
/* oklch */ color: oklch(51.4% 0.121 150.2);

Tailwind

colors: {
  custom: {
    50: '#6ba176',
    500: '#257a40',
    950: '#000000',
  },
}

SCSS

$custom: #257a40;
$custom-light: #6ba176;
$custom-dark: #000000;

JSON

{
  "hex": "#257a40",
  "rgb": {
    "r": 37,
    "g": 122,
    "b": 64
  },
  "hsl": {
    "h": 139.059,
    "s": 53.459,
    "l": 31.176
  },
  "oklch": {
    "l": 0.51436,
    "c": 0.12086,
    "h": 150.2
  },
  "luminance": 0.14683
}

Semantic roles & 50–950 ramp

primary

#257A40

secondary

#AC4E8F

accent

#4BAFDD

background

#F6FAF7

surface

#ECF3ED

border

#C7CDC8

text

#070F08

muted

#7A7F7B

Preview Lab

Preview with #257A40

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

Preview Lab → · Contrast checker → · Palette generator →