#288C20
Closest named color: Forest Green (#228B22). oklch(56.2% 0.169 142), rgb(40, 140, 32).
Aa
Black text reads best on this color (4.86:1).
About this color
#288C20 is a medium-dark, vivid green. In OKLCH its lightness is 56%, its chroma 0.169 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 0.005 away. Black text reads best on it, at 4.86:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.169) |
| Temperature | in between |
| Nearest name | Forest Green (#228B22) |
| Black text | 4.86:1 |
| White text | 4.31:1 |
Values
| HEX | #288C20 |
| RGB | rgb(40, 140, 32) |
| HSL | hsl(116, 63%, 34%) |
| OKLCH | oklch(56.2% 0.169 142) |
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 #288C20 | 4.31:1 | AA large text | Lc -74.9 | Content text, not long reading |
| Black text on #288C20 | 4.86:1 | AA | Lc 34.7 | Non-text elements, placeholder text |
| #288C20 text on white | 4.31:1 | AA large text | Lc 69.4 | Content text, not long reading |
| #288C20 text on black | 4.86:1 | AA | Lc -32.2 | 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
#73B46C
oklch(70.8% 0.122 142)
-
Step 500
500
#4AA042
oklch(63.1% 0.155 142)
-
Step 600
600 (this color)
#288C20
oklch(56.2% 0.169 142)
-
Step 700
700
#16750E
oklch(49.1% 0.157 142)
-
Step 800
800
#175F11
oklch(42.6% 0.13 142)
-
Step 900
900
#1B4E17
oklch(37.6% 0.101 142.1)
-
Step 950
950
#112E0F
oklch(27% 0.064 142.4)
#288C20 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) | #8F7E08 | 0.118 |
| Deuteranopia (no green cones) | #84772C | 0.118 |
| Tritanopia (no blue cones) | #0D8877 | 0.109 |
| Achromatopsia (no color) | #7A7A7A | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #288C20
#288C20
oklch(56.2% 0.169 142)
- #A14CAF
#A14CAF
oklch(56.2% 0.169 321.8)
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 #288C20, closest first.
No curated palette has a color within ΔE 0.04 of #288C20.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest Green #228B22 ΔE 0.005
- Emerald Green #028F1E ΔE 0.014
- Kelley Green #009337 ΔE 0.023
- Irish Green #019529 ΔE 0.026
- True Green #089404 ΔE 0.030
- Dark Grass Green #388004 ΔE 0.034
- Tree Green #2A7E19 ΔE 0.042
- Green #008000 ΔE 0.043
Use #288C20 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.