#177B4A
Closest named color: Jungle Green (#048243). oklch(51.6% 0.117 155.9), rgb(23, 123, 74).
Aa
White text reads best on this color (5.29:1).
About this color
#177B4A is a medium-dark, moderately saturated green. In OKLCH its lightness is 52%, its chroma 0.117 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.027 away. White text reads best on it, at 5.29:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.117) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 3.96:1 |
| White text | 5.29:1 |
Values
| HEX | #177B4A |
| RGB | rgb(23, 123, 74) |
| HSL | hsl(151, 68%, 29%) |
| OKLCH | oklch(51.6% 0.117 155.9) |
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 #177B4A | 5.29:1 | AA | Lc -81.2 | Fine for body text |
| Black text on #177B4A | 3.96:1 | AA large text | Lc 28.2 | Dividers and decoration only |
| #177B4A text on white | 5.29:1 | AA | Lc 75.9 | Fine for body text |
| #177B4A text on black | 3.96:1 | AA large text | Lc -25.9 | 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
#E2EDE5
oklch(93.6% 0.016 154.5)
-
Step 200
200
#C9E0D0
oklch(88.5% 0.033 155.3)
-
Step 300
300
#A4CCB1
oklch(80.9% 0.057 155.4)
-
Step 400
400
#70B289
oklch(70.8% 0.091 156)
-
Step 500
500
#459E6B
oklch(63.1% 0.116 155.7)
-
Step 600
600
#1B8853
oklch(55.5% 0.125 156.1)
-
Step 700
700 (this color)
#177B4A
oklch(51.6% 0.117 155.9)
-
Step 800
800
#0F5E37
oklch(42.6% 0.097 155.7)
-
Step 900
900
#184D30
oklch(37.6% 0.075 155.9)
-
Step 950
950
#102D1C
oklch(26.9% 0.048 155.6)
#177B4A 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) | #7A7047 | 0.105 |
| Deuteranopia (no green cones) | #6F684D | 0.103 |
| Tritanopia (no blue cones) | #007A6F | 0.056 |
| Achromatopsia (no color) | #6B6B6B | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #177B4A
#177B4A
oklch(51.6% 0.117 155.9)
- #904B81
#904B81
oklch(51.6% 0.116 335.9)
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 #177B4A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.027
- Sea Green #2E8B57 ΔE 0.053
- Tree Green #2A7E19 ΔE 0.053
- Dark Olive Green #556B2F ΔE 0.063
- Dark Grass Green #388004 ΔE 0.064
- Dark Sage #598556 ΔE 0.068
- Green #008000 ΔE 0.069
- Muddy Green #657432 ΔE 0.070
Use #177B4A 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.