#227C40
Closest named color: Jungle Green (#048243). oklch(51.9% 0.125 150.3), rgb(34, 124, 64).
Aa
White text reads best on this color (5.21:1).
About this color
#227C40 is a medium-dark, moderately saturated green. In OKLCH its lightness is 52%, its chroma 0.125 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.018 away. White text reads best on it, at 5.21:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.125) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.02:1 |
| White text | 5.21:1 |
Values
| HEX | #227C40 |
| RGB | rgb(34, 124, 64) |
| HSL | hsl(140, 57%, 31%) |
| OKLCH | oklch(51.9% 0.125 150.3) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #227C40 | 5.21:1 | AA | Lc -80.9 | Fine for body text |
| Black text on #227C40 | 4.02:1 | AA large text | Lc 28.6 | Dividers and decoration only |
| #227C40 text on white | 5.21:1 | AA | Lc 75.5 | Fine for body text |
| #227C40 text on black | 4.02:1 | AA large text | Lc -26.2 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.
-
Step 50
50
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E2EDE4
oklch(93.5% 0.017 151.1)
-
Step 200
200
#CAE0CE
oklch(88.5% 0.034 150.8)
-
Step 300
300
#A5CCAD
oklch(80.8% 0.06 151)
-
Step 400
400
#73B281
oklch(70.8% 0.097 150.4)
-
Step 500
500
#4A9E61
oklch(63.1% 0.123 150.4)
-
Step 600
600
#268847
oklch(55.5% 0.133 150.4)
-
Step 700
700 (this color)
#227C40
oklch(51.9% 0.125 150.3)
-
Step 800
800
#175E2F
oklch(42.7% 0.103 150.4)
-
Step 900
900
#1B4D2A
oklch(37.6% 0.08 150.6)
-
Step 950
950
#122D19
oklch(26.9% 0.05 150.3)
#227C40 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #7D713B | 0.104 |
| Deuteranopia (no green cones) | #726944 | 0.103 |
| Tritanopia (no blue cones) | #007A6E | 0.069 |
| Achromatopsia (no color) | #6C6C6C | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #227C40
#227C40
oklch(51.9% 0.125 150.3)
- #904B8A
#904B8A
oklch(52% 0.125 330.5)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #227C40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.018
- Tree Green #2A7E19 ΔE 0.039
- Dark Grass Green #388004 ΔE 0.049
- Sea Green #2E8B57 ΔE 0.051
- Green #008000 ΔE 0.056
- Dark Olive Green #556B2F ΔE 0.061
- Forest Green #228B22 ΔE 0.061
- Muddy Green #657432 ΔE 0.065
Use #227C40 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.