#018028
Closest named color: Tree Green (#2A7E19). oklch(52.2% 0.158 146.2), rgb(1, 128, 40).
Aa
White text reads best on this color (5.09:1).
About this color
#018028 is a medium-dark, vivid green. In OKLCH its lightness is 52%, its chroma 0.158 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tree Green (#2A7E19), ΔE 0.015 away. White text reads best on it, at 5.09:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.158) |
| Temperature | in between |
| Nearest name | Tree Green (#2A7E19) |
| Black text | 4.11:1 |
| White text | 5.09:1 |
Values
| HEX | #018028 |
| RGB | rgb(1, 128, 40) |
| HSL | hsl(138, 98%, 25%) |
| OKLCH | oklch(52.2% 0.158 146.2) |
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 #018028 | 5.09:1 | AA | Lc -79.9 | Fine for body text |
| Black text on #018028 | 4.11:1 | AA large text | Lc 29.6 | Dividers and decoration only |
| #018028 text on white | 5.09:1 | AA | Lc 74.5 | Content text, not long reading |
| #018028 text on black | 4.11:1 | AA large text | Lc -27.2 | Dividers and decoration only |
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 700.
-
Step 50
50
#F1F7F1
oklch(97% 0.01 145.5)
-
Step 100
100
#E1EEE1
oklch(93.6% 0.022 145.4)
-
Step 200
200
#C8E1C9
oklch(88.5% 0.042 146.3)
-
Step 300
300
#A1CEA3
oklch(80.8% 0.076 146)
-
Step 400
400
#6BB571
oklch(70.7% 0.123 145.9)
-
Step 500
500
#3BA24B
oklch(63.2% 0.157 146.2)
-
Step 600
600
#008C2C
oklch(55.7% 0.169 146.1)
-
Step 700
700 (this color)
#018028
oklch(52.2% 0.158 146.2)
-
Step 800
800
#00601C
oklch(42.6% 0.129 146.3)
-
Step 900
900
#114F1D
oklch(37.7% 0.101 146.3)
-
Step 950
950
#0D2E12
oklch(26.9% 0.063 146.4)
#018028 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) | #82731C | 0.120 |
| Deuteranopia (no green cones) | #766B30 | 0.119 |
| Tritanopia (no blue cones) | #007D6E | 0.096 |
| Achromatopsia (no color) | #6E6E6E | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #018028
#018028
oklch(52.2% 0.158 146.2)
- #964299
#964299
oklch(52.2% 0.158 326.2)
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 #018028, closest first.
No curated palette has a color within ΔE 0.04 of #018028.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tree Green #2A7E19 ΔE 0.015
- Green #008000 ΔE 0.022
- Dark Grass Green #388004 ΔE 0.027
- Jungle Green #048243 ΔE 0.029
- Forest Green #228B22 ΔE 0.038
- Emerald Green #028F1E ΔE 0.049
- Kelley Green #009337 ΔE 0.057
- Sea Green #2E8B57 ΔE 0.064
Use #018028 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.