#228D3B
Closest named color: Kelley Green (#009337). oklch(56.6% 0.152 147), rgb(34, 141, 59).
Aa
Black text reads best on this color (4.94:1).
About this color
#228D3B is a medium-dark, vivid green. In OKLCH its lightness is 57%, its chroma 0.152 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Kelley Green (#009337), ΔE 0.021 away. Black text reads best on it, at 4.94:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.152) |
| Temperature | in between |
| Nearest name | Kelley Green (#009337) |
| Black text | 4.94:1 |
| White text | 4.25:1 |
Values
| HEX | #228D3B |
| RGB | rgb(34, 141, 59) |
| HSL | hsl(134, 61%, 34%) |
| OKLCH | oklch(56.6% 0.152 147) |
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 #228D3B | 4.25:1 | AA large text | Lc -74.4 | Content text, not long reading |
| Black text on #228D3B | 4.94:1 | AA | Lc 35.2 | Non-text elements, placeholder text |
| #228D3B text on white | 4.25:1 | AA large text | Lc 68.9 | Content text, not long reading |
| #228D3B text on black | 4.94:1 | AA | Lc -32.8 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E2EEE2
oklch(93.7% 0.02 145.4)
-
Step 200
200
#C9E0CB
oklch(88.4% 0.038 147.7)
-
Step 300
300
#A4CDA7
oklch(80.9% 0.068 146.8)
-
Step 400
400
#70B378
oklch(70.6% 0.109 147.2)
-
Step 500
500
#45A054
oklch(63.2% 0.141 147)
-
Step 600
600 (this color)
#228D3B
oklch(56.6% 0.152 147)
-
Step 700
700
#0A752A
oklch(49.1% 0.142 147)
-
Step 800
800
#115F24
oklch(42.6% 0.117 146.9)
-
Step 900
900
#184E22
oklch(37.7% 0.092 146.9)
-
Step 950
950
#102E15
oklch(27.1% 0.058 147.2)
#228D3B 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) | #8F8033 | 0.119 |
| Deuteranopia (no green cones) | #837741 | 0.119 |
| Tritanopia (no blue cones) | #008A7B | 0.090 |
| Achromatopsia (no color) | #7B7B7B | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #228D3B
#228D3B
oklch(56.6% 0.152 147)
- #A351A4
#A351A4
oklch(56.6% 0.152 326.9)
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 #228D3B, closest first.
No curated palette has a color within ΔE 0.04 of #228D3B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Kelley Green #009337 ΔE 0.021
- Forest Green #228B22 ΔE 0.022
- Emerald Green #028F1E ΔE 0.030
- Irish Green #019529 ΔE 0.034
- Sea Green #2E8B57 ΔE 0.039
- Jungle Green #048243 ΔE 0.040
- Fern Green #548D44 ΔE 0.042
- Dark Grass Green #388004 ΔE 0.044
Use #228D3B 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.