#018A3E
Closest named color: Forest Green (#228B22). oklch(55.4% 0.152 150), rgb(1, 138, 62).
Aa
Black text reads best on this color (4.70:1).
About this color
#018A3E is a medium-dark, vivid green. In OKLCH its lightness is 55%, its chroma 0.152 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest Green (#228B22), ΔE 0.026 away. Black text reads best on it, at 4.70:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.152) |
| Temperature | in between |
| Nearest name | Forest Green (#228B22) |
| Black text | 4.70:1 |
| White text | 4.46:1 |
Values
| HEX | #018A3E |
| RGB | rgb(1, 138, 62) |
| HSL | hsl(147, 99%, 27%) |
| OKLCH | oklch(55.4% 0.152 150) |
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 #018A3E | 4.46:1 | AA large text | Lc -75.8 | Fine for body text |
| Black text on #018A3E | 4.70:1 | AA | Lc 33.8 | Non-text elements, placeholder text |
| #018A3E text on white | 4.46:1 | AA large text | Lc 70.3 | Content text, not long reading |
| #018A3E text on black | 4.70:1 | AA | Lc -31.4 | 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
#F1F7F2
oklch(97% 0.009 150.7)
-
Step 100
100
#E1EEE3
oklch(93.6% 0.02 150.1)
-
Step 200
200
#C8E1CC
oklch(88.5% 0.039 150)
-
Step 300
300
#A2CEAA
oklch(81% 0.068 150.1)
-
Step 400
400
#6CB47C
oklch(70.8% 0.109 150)
-
Step 500
500
#3DA05A
oklch(63% 0.139 150.1)
-
Step 600
600 (this color)
#018A3E
oklch(55.4% 0.152 150)
-
Step 700
700
#007533
oklch(49.1% 0.136 149.9)
-
Step 800
800
#016029
oklch(42.8% 0.117 149.9)
-
Step 900
900
#124F26
oklch(37.8% 0.092 150.1)
-
Step 950
950
#0D2E17
oklch(27% 0.057 150.7)
#018A3E 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) | #8B7D37 | 0.124 |
| Deuteranopia (no green cones) | #7E7444 | 0.123 |
| Tritanopia (no blue cones) | #008779 | 0.086 |
| Achromatopsia (no color) | #777777 | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #018A3E
#018A3E
oklch(55.4% 0.152 150)
- #A24C9C
#A24C9C
oklch(55.4% 0.152 330.1)
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 #018A3E, closest first.
No curated palette has a color within ΔE 0.04 of #018A3E.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest Green #228B22 ΔE 0.026
- Jungle Green #048243 ΔE 0.027
- Kelley Green #009337 ΔE 0.031
- Emerald Green #028F1E ΔE 0.035
- Sea Green #2E8B57 ΔE 0.038
- Tree Green #2A7E19 ΔE 0.040
- Dark Grass Green #388004 ΔE 0.042
- Irish Green #019529 ΔE 0.043
Use #018A3E 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.