#289A3B
Closest named color: Irish Green (#019529). oklch(60.3% 0.167 145.6), rgb(40, 154, 59).
Aa
Black text reads best on this color (5.77:1).
About this color
#289A3B is a medium-dark, vivid green. In OKLCH its lightness is 60%, its chroma 0.167 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Irish Green (#019529), ΔE 0.025 away. Black text reads best on it, at 5.77:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.167) |
| Temperature | in between |
| Nearest name | Irish Green (#019529) |
| Black text | 5.77:1 |
| White text | 3.63:1 |
Values
| HEX | #289A3B |
| RGB | rgb(40, 154, 59) |
| HSL | hsl(130, 59%, 38%) |
| OKLCH | oklch(60.3% 0.167 145.6) |
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 #289A3B | 3.63:1 | AA large text | Lc -69.0 | Content text, not long reading |
| Black text on #289A3B | 5.77:1 | AA | Lc 40.6 | Non-text elements, placeholder text |
| #289A3B text on white | 3.63:1 | AA large text | Lc 63.5 | Content text, not long reading |
| #289A3B text on black | 5.77:1 | AA | Lc -38.2 | 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 500.
-
Step 50
50
#F1F8F1
oklch(97.2% 0.012 145.5)
-
Step 100
100
#E0EEE1
oklch(93.5% 0.023 147.4)
-
Step 200
200
#C7E2C7
oklch(88.6% 0.046 145.2)
-
Step 300
300
#9FCFA1
oklch(80.8% 0.081 145.8)
-
Step 400
400
#67B66D
oklch(70.7% 0.131 145.7)
-
Step 500
500 (this color)
#289A3B
oklch(60.3% 0.167 145.6)
-
Step 600
600
#008C28
oklch(55.7% 0.172 145.6)
-
Step 700
700
#007621
oklch(49.2% 0.152 145.7)
-
Step 800
800
#006119
oklch(42.8% 0.133 145.6)
-
Step 900
900
#0B5018
oklch(37.8% 0.109 145.5)
-
Step 950
950
#0B2F0F
oklch(27.1% 0.069 145.2)
#289A3B 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) | #9C8C31 | 0.126 |
| Deuteranopia (no green cones) | #8F8343 | 0.125 |
| Tritanopia (no blue cones) | #009686 | 0.102 |
| Achromatopsia (no color) | #868686 | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #289A3B
#289A3B
oklch(60.3% 0.167 145.6)
- #B258B6
#B258B6
oklch(60.4% 0.166 325.8)
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 #289A3B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Irish Green #019529 ΔE 0.025
- Kelley Green #009337 ΔE 0.026
- Grass Green #3F9B0B ΔE 0.030
- Grassy Green #419C03 ΔE 0.033
- True Green #089404 ΔE 0.039
- Emerald Green #028F1E ΔE 0.042
- Forest Green #228B22 ΔE 0.046
- Mid Green #50A747 ΔE 0.051
Use #289A3B 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.