#288B38
Closest named color: Forest Green (#228B22). oklch(56.2% 0.151 145.8), rgb(40, 139, 56).
Aa
Black text reads best on this color (4.84:1).
About this color
#288B38 is a medium-dark, vivid green. In OKLCH its lightness is 56%, its chroma 0.151 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest Green (#228B22), ΔE 0.020 away. Black text reads best on it, at 4.84:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.151) |
| Temperature | in between |
| Nearest name | Forest Green (#228B22) |
| Black text | 4.84:1 |
| White text | 4.33:1 |
Values
| HEX | #288B38 |
| RGB | rgb(40, 139, 56) |
| HSL | hsl(130, 55%, 35%) |
| OKLCH | oklch(56.2% 0.151 145.8) |
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 #288B38 | 4.33:1 | AA large text | Lc -75.1 | Fine for body text |
| Black text on #288B38 | 4.84:1 | AA | Lc 34.5 | Non-text elements, placeholder text |
| #288B38 text on white | 4.33:1 | AA large text | Lc 69.6 | Content text, not long reading |
| #288B38 text on black | 4.84:1 | AA | Lc -32.0 | 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
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E2EEE2
oklch(93.7% 0.02 145.4)
-
Step 200
200
#CAE0CB
oklch(88.5% 0.037 146.5)
-
Step 300
300
#A5CDA7
oklch(80.9% 0.068 146.2)
-
Step 400
400
#73B377
oklch(70.8% 0.109 145.8)
-
Step 500
500
#4A9F53
oklch(63.1% 0.138 145.8)
-
Step 600
600 (this color)
#288B38
oklch(56.2% 0.151 145.8)
-
Step 700
700
#167428
oklch(49% 0.14 145.7)
-
Step 800
800
#175F23
oklch(42.8% 0.116 145.8)
-
Step 900
900
#1B4E22
oklch(37.8% 0.09 146.1)
-
Step 950
950
#112E14
oklch(27.1% 0.059 145.8)
#288B38 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) | #8D7E30 | 0.115 |
| Deuteranopia (no green cones) | #81763F | 0.114 |
| Tritanopia (no blue cones) | #008879 | 0.090 |
| Achromatopsia (no color) | #797979 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #288B38
#288B38
oklch(56.2% 0.151 145.8)
- #A051A4
#A051A4
oklch(56.2% 0.15 325.5)
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 #288B38, closest first.
No curated palette has a color within ΔE 0.04 of #288B38.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest Green #228B22 ΔE 0.020
- Kelley Green #009337 ΔE 0.026
- Emerald Green #028F1E ΔE 0.031
- Jungle Green #048243 ΔE 0.037
- Irish Green #019529 ΔE 0.037
- Dark Grass Green #388004 ΔE 0.039
- Sea Green #2E8B57 ΔE 0.039
- Fern Green #548D44 ΔE 0.042
Use #288B38 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.