#177A40
Closest named color: Jungle Green (#048243). oklch(51.1% 0.126 151.9), rgb(23, 122, 64).
Aa
White text reads best on this color (5.39:1).
About this color
#177A40 is a medium-dark, moderately saturated green. In OKLCH its lightness is 51%, its chroma 0.126 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.024 away. White text reads best on it, at 5.39:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.126) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 3.89:1 |
| White text | 5.39:1 |
Values
| HEX | #177A40 |
| RGB | rgb(23, 122, 64) |
| HSL | hsl(145, 68%, 28%) |
| OKLCH | oklch(51.1% 0.126 151.9) |
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 #177A40 | 5.39:1 | AA | Lc -81.8 | Fine for body text |
| Black text on #177A40 | 3.89:1 | AA large text | Lc 27.6 | Dividers and decoration only |
| #177A40 text on white | 5.39:1 | AA | Lc 76.4 | Fine for body text |
| #177A40 text on black | 3.89:1 | AA large text | Lc -25.3 | 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
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E2EDE4
oklch(93.5% 0.017 151.1)
-
Step 200
200
#CAE0CE
oklch(88.5% 0.034 150.8)
-
Step 300
300
#A4CCAE
oklch(80.8% 0.06 152.5)
-
Step 400
400
#71B282
oklch(70.7% 0.097 151.6)
-
Step 500
500
#469F63
oklch(63.2% 0.125 151.9)
-
Step 600
600
#1E8949
oklch(55.6% 0.135 151.8)
-
Step 700
700 (this color)
#177A40
oklch(51.1% 0.126 151.9)
-
Step 800
800
#115F31
oklch(42.9% 0.104 152)
-
Step 900
900
#184E2B
oklch(37.8% 0.082 151.8)
-
Step 950
950
#102D1A
oklch(26.9% 0.05 152.9)
#177A40 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) | #7A6F3C | 0.106 |
| Deuteranopia (no green cones) | #6F6744 | 0.105 |
| Tritanopia (no blue cones) | #00786C | 0.067 |
| Achromatopsia (no color) | #6A6A6A | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #177A40
#177A40
oklch(51.1% 0.126 151.9)
- #8F4886
#8F4886
oklch(51.2% 0.125 332.2)
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 #177A40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.024
- Tree Green #2A7E19 ΔE 0.042
- Dark Grass Green #388004 ΔE 0.054
- Green #008000 ΔE 0.057
- Sea Green #2E8B57 ΔE 0.058
- Dark Olive Green #556B2F ΔE 0.061
- Forest Green #228B22 ΔE 0.068
- Muddy Green #657432 ΔE 0.070
Use #177A40 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.