#178000
Closest named color: Green (#008000). oklch(52.2% 0.173 141.3), rgb(23, 128, 0).
Aa
White text reads best on this color (5.09:1).
About this color
#178000 is a medium-dark, vivid green. In OKLCH its lightness is 52%, its chroma 0.173 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Green (#008000), ΔE 0.006 away. White text reads best on it, at 5.09:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.173) |
| Temperature | in between |
| Nearest name | Green (#008000) |
| Black text | 4.12:1 |
| White text | 5.09:1 |
Values
| HEX | #178000 |
| RGB | rgb(23, 128, 0) |
| HSL | hsl(109, 100%, 25%) |
| OKLCH | oklch(52.2% 0.173 141.3) |
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 #178000 | 5.09:1 | AA | Lc -79.9 | Fine for body text |
| Black text on #178000 | 4.12:1 | AA large text | Lc 29.6 | Dividers and decoration only |
| #178000 text on white | 5.09:1 | AA | Lc 74.5 | Content text, not long reading |
| #178000 text on black | 4.12:1 | 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
#F1F7F0
oklch(97% 0.011 141.3)
-
Step 100
100
#E1EEDF
oklch(93.5% 0.024 141.5)
-
Step 200
200
#C9E1C5
oklch(88.4% 0.046 141.2)
-
Step 300
300
#A3CF9C
oklch(81% 0.084 141.2)
-
Step 400
400
#6EB564
oklch(70.6% 0.134 141.3)
-
Step 500
500
#42A235
oklch(63.2% 0.172 141.4)
-
Step 600
600
#1A8B00
oklch(55.5% 0.184 141.3)
-
Step 700
700 (this color)
#178000
oklch(52.2% 0.173 141.3)
-
Step 800
800
#0F6000
oklch(42.6% 0.141 141.3)
-
Step 900
900
#164F0E
oklch(37.6% 0.112 141.4)
-
Step 950
950
#0F2F0B
oklch(27.2% 0.071 141.5)
#178000 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) | #837300 | 0.120 |
| Deuteranopia (no green cones) | #786B18 | 0.118 |
| Tritanopia (no blue cones) | #007C6C | 0.115 |
| Achromatopsia (no color) | #6E6E6E | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #178000
#178000
oklch(52.2% 0.173 141.3)
- #953EA4
#953EA4
oklch(52.2% 0.174 321.5)
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 #178000, closest first.
No curated palette has a color within ΔE 0.04 of #178000.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green #008000 ΔE 0.006
- Tree Green #2A7E19 ΔE 0.017
- Dark Grass Green #388004 ΔE 0.021
- Forest Green #228B22 ΔE 0.036
- Emerald Green #028F1E ΔE 0.044
- Jungle Green #048243 ΔE 0.048
- Kelley Green #009337 ΔE 0.059
- True Green #089404 ΔE 0.060
Use #178000 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.