#018100
Closest named color: Green (#008000). oklch(52.3% 0.178 142.5), rgb(1, 129, 0).
Aa
White text reads best on this color (5.07:1).
About this color
#018100 is a medium-dark, vivid green. In OKLCH its lightness is 52%, its chroma 0.178 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Green (#008000), ΔE 0.003 away. White text reads best on it, at 5.07:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.178) |
| Temperature | in between |
| Nearest name | Green (#008000) |
| Black text | 4.14:1 |
| White text | 5.07:1 |
Values
| HEX | #018100 |
| RGB | rgb(1, 129, 0) |
| HSL | hsl(120, 100%, 25%) |
| OKLCH | oklch(52.3% 0.178 142.5) |
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 #018100 | 5.07:1 | AA | Lc -79.6 | Fine for body text |
| Black text on #018100 | 4.14:1 | AA large text | Lc 29.9 | Dividers and decoration only |
| #018100 text on white | 5.07:1 | AA | Lc 74.2 | Content text, not long reading |
| #018100 text on black | 4.14:1 | AA large text | Lc -27.5 | 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
#F1F8F0
oklch(97.2% 0.013 141.8)
-
Step 100
100
#E1EEDF
oklch(93.5% 0.024 141.5)
-
Step 200
200
#C8E2C5
oklch(88.6% 0.048 142.3)
-
Step 300
300
#A1CF9C
oklch(80.8% 0.086 142.2)
-
Step 400
400
#6AB664
oklch(70.7% 0.138 142.4)
-
Step 500
500
#3AA335
oklch(63.2% 0.177 142.5)
-
Step 600
600
#018C00
oklch(55.5% 0.189 142.5)
-
Step 700
700 (this color)
#018100
oklch(52.3% 0.178 142.5)
-
Step 800
800
#016100
oklch(42.7% 0.145 142.4)
-
Step 900
900
#10500E
oklch(37.8% 0.115 142.5)
-
Step 950
950
#0D2F0B
oklch(27.1% 0.072 142.4)
#018100 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) | #847300 | 0.127 |
| Deuteranopia (no green cones) | #786B18 | 0.124 |
| Tritanopia (no blue cones) | #007D6D | 0.117 |
| Achromatopsia (no color) | #6E6E6E | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #018100
#018100
oklch(52.3% 0.178 142.5)
- #973CA4
#973CA4
oklch(52.2% 0.177 322.5)
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 #018100, closest first.
No curated palette has a color within ΔE 0.04 of #018100.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green #008000 ΔE 0.003
- Tree Green #2A7E19 ΔE 0.022
- Dark Grass Green #388004 ΔE 0.026
- Forest Green #228B22 ΔE 0.036
- Emerald Green #028F1E ΔE 0.042
- Jungle Green #048243 ΔE 0.050
- True Green #089404 ΔE 0.058
- Kelley Green #009337 ΔE 0.058
Use #018100 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.