#288E20
Closest named color: Forest Green (#228B22). oklch(56.8% 0.172 142.1), rgb(40, 142, 32).
Aa
Black text reads best on this color (4.98:1).
About this color
#288E20 is a medium-dark, vivid green. In OKLCH its lightness is 57%, its chroma 0.172 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest Green (#228B22), ΔE 0.010 away. Black text reads best on it, at 4.98:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.172) |
| Temperature | in between |
| Nearest name | Forest Green (#228B22) |
| Black text | 4.98:1 |
| White text | 4.21:1 |
Values
| HEX | #288E20 |
| RGB | rgb(40, 142, 32) |
| HSL | hsl(116, 63%, 34%) |
| OKLCH | oklch(56.8% 0.172 142.1) |
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 #288E20 | 4.21:1 | AA large text | Lc -74.1 | Content text, not long reading |
| Black text on #288E20 | 4.98:1 | AA | Lc 35.5 | Non-text elements, placeholder text |
| #288E20 text on white | 4.21:1 | AA large text | Lc 68.6 | Content text, not long reading |
| #288E20 text on black | 4.98:1 | AA | Lc -33.0 | 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
#E2EEE0
oklch(93.6% 0.023 141.2)
-
Step 200
200
#CAE1C7
oklch(88.6% 0.043 142)
-
Step 300
300
#A5CEA0
oklch(81% 0.077 142)
-
Step 400
400
#72B46B
oklch(70.7% 0.123 142)
-
Step 500
500
#48A041
oklch(63% 0.157 142.2)
-
Step 600
600 (this color)
#288E20
oklch(56.8% 0.172 142.1)
-
Step 700
700
#13750A
oklch(49% 0.159 142)
-
Step 800
800
#15600F
oklch(42.8% 0.133 142)
-
Step 900
900
#1A4E16
oklch(37.6% 0.102 142.1)
-
Step 950
950
#112E0E
oklch(27% 0.065 141.8)
#288E20 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) | #918007 | 0.119 |
| Deuteranopia (no green cones) | #86782C | 0.121 |
| Tritanopia (no blue cones) | #0B8A79 | 0.111 |
| Achromatopsia (no color) | #7B7B7B | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #288E20
#288E20
oklch(56.8% 0.172 142.1)
- #A44DB1
#A44DB1
oklch(56.8% 0.171 322.3)
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 #288E20, closest first.
No curated palette has a color within ΔE 0.04 of #288E20.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest Green #228B22 ΔE 0.010
- Emerald Green #028F1E ΔE 0.012
- Kelley Green #009337 ΔE 0.020
- Irish Green #019529 ΔE 0.020
- True Green #089404 ΔE 0.026
- Dark Grass Green #388004 ΔE 0.040
- Sap Green #5C8B15 ΔE 0.042
- Grass Green #3F9B0B ΔE 0.046
Use #288E20 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.