#288C2C
Closest named color: Forest Green (#228B22). oklch(56.3% 0.161 143.6), rgb(40, 140, 44).
Aa
Black text reads best on this color (4.87:1).
About this color
#288C2C is a medium-dark, vivid green. In OKLCH its lightness is 56%, its chroma 0.161 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest Green (#228B22), ΔE 0.009 away. Black text reads best on it, at 4.87:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.161) |
| Temperature | in between |
| Nearest name | Forest Green (#228B22) |
| Black text | 4.87:1 |
| White text | 4.30:1 |
Values
| HEX | #288C2C |
| RGB | rgb(40, 140, 44) |
| HSL | hsl(122, 56%, 35%) |
| OKLCH | oklch(56.3% 0.161 143.6) |
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 #288C2C | 4.30:1 | AA large text | Lc -74.8 | Content text, not long reading |
| Black text on #288C2C | 4.87:1 | AA | Lc 34.7 | Non-text elements, placeholder text |
| #288C2C text on white | 4.30:1 | AA large text | Lc 69.3 | Content text, not long reading |
| #288C2C text on black | 4.87:1 | AA | Lc -32.3 | 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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E2EEE1
oklch(93.7% 0.021 143.2)
-
Step 200
200
#CAE1C9
oklch(88.6% 0.041 144.1)
-
Step 300
300
#A5CDA3
oklch(80.8% 0.072 143.7)
-
Step 400
400
#72B371
oklch(70.6% 0.116 143.9)
-
Step 500
500
#49A04A
oklch(63.2% 0.149 143.8)
-
Step 600
600 (this color)
#288C2C
oklch(56.3% 0.161 143.6)
-
Step 700
700
#15751C
oklch(49.1% 0.15 143.6)
-
Step 800
800
#165F1A
oklch(42.6% 0.124 143.7)
-
Step 900
900
#1B4E1C
oklch(37.7% 0.097 143.7)
-
Step 950
950
#112E11
oklch(27% 0.062 143.6)
#288C2C 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) | #8F7F1F | 0.117 |
| Deuteranopia (no green cones) | #837735 | 0.116 |
| Tritanopia (no blue cones) | #078878 | 0.101 |
| Achromatopsia (no color) | #7A7A7A | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #288C2C
#288C2C
oklch(56.3% 0.161 143.6)
- #A14EAA
#A14EAA
oklch(56.2% 0.161 323.6)
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 #288C2C, closest first.
No curated palette has a color within ΔE 0.04 of #288C2C.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest Green #228B22 ΔE 0.009
- Emerald Green #028F1E ΔE 0.020
- Kelley Green #009337 ΔE 0.021
- Irish Green #019529 ΔE 0.029
- Dark Grass Green #388004 ΔE 0.036
- True Green #089404 ΔE 0.037
- Tree Green #2A7E19 ΔE 0.042
- Sap Green #5C8B15 ΔE 0.043
Use #288C2C 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.