#228C42
Closest named color: Kelley Green (#009337). oklch(56.4% 0.145 148.8), rgb(34, 140, 66).
Aa
Black text reads best on this color (4.89:1).
About this color
#228C42 is a medium-dark, vivid green. In OKLCH its lightness is 56%, its chroma 0.145 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Kelley Green (#009337), ΔE 0.028 away. Black text reads best on it, at 4.89:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Kelley Green (#009337) |
| Black text | 4.89:1 |
| White text | 4.28:1 |
Values
| HEX | #228C42 |
| RGB | rgb(34, 140, 66) |
| HSL | hsl(138, 61%, 34%) |
| OKLCH | oklch(56.4% 0.145 148.8) |
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 #228C42 | 4.28:1 | AA large text | Lc -74.7 | Content text, not long reading |
| Black text on #228C42 | 4.89:1 | AA | Lc 34.9 | Non-text elements, placeholder text |
| #228C42 text on white | 4.28:1 | AA large text | Lc 69.2 | Content text, not long reading |
| #228C42 text on black | 4.89:1 | AA | Lc -32.5 | 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
#E2EEE3
oklch(93.7% 0.019 147.8)
-
Step 200
200
#CAE0CC
oklch(88.5% 0.036 147.9)
-
Step 300
300
#A4CDAA
oklch(80.9% 0.065 149)
-
Step 400
400
#71B37C
oklch(70.8% 0.105 148.5)
-
Step 500
500
#469F5A
oklch(63.1% 0.133 148.7)
-
Step 600
600 (this color)
#228C42
oklch(56.4% 0.145 148.8)
-
Step 700
700
#0C7431
oklch(49% 0.134 148.8)
-
Step 800
800
#115F2A
oklch(42.7% 0.111 149)
-
Step 900
900
#194E26
oklch(37.8% 0.087 148.6)
-
Step 950
950
#102E17
oklch(27.1% 0.055 149.1)
#228C42 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) | #8D7F3C | 0.117 |
| Deuteranopia (no green cones) | #817747 | 0.115 |
| Tritanopia (no blue cones) | #00897B | 0.083 |
| Achromatopsia (no color) | #7A7A7A | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #228C42
#228C42
oklch(56.4% 0.145 148.8)
- #A2529F
#A2529F
oklch(56.4% 0.145 328.7)
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 #228C42, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Kelley Green #009337 ΔE 0.028
- Forest Green #228B22 ΔE 0.030
- Sea Green #2E8B57 ΔE 0.030
- Jungle Green #048243 ΔE 0.034
- Emerald Green #028F1E ΔE 0.039
- Fern Green #548D44 ΔE 0.039
- Irish Green #019529 ΔE 0.042
- Light Forest Green #4F9153 ΔE 0.045
Use #228C42 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.