#177D19
Closest named color: Tree Green (#2A7E19). oklch(51.5% 0.161 143), rgb(23, 125, 25).
Aa
White text reads best on this color (5.27:1).
About this color
#177D19 is a medium-dark, vivid green. In OKLCH its lightness is 51%, its chroma 0.161 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tree Green (#2A7E19), ΔE 0.011 away. White text reads best on it, at 5.27:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.161) |
| Temperature | in between |
| Nearest name | Tree Green (#2A7E19) |
| Black text | 3.98:1 |
| White text | 5.27:1 |
Values
| HEX | #177D19 |
| RGB | rgb(23, 125, 25) |
| HSL | hsl(121, 69%, 29%) |
| OKLCH | oklch(51.5% 0.161 143) |
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 #177D19 | 5.27:1 | AA | Lc -81.0 | Fine for body text |
| Black text on #177D19 | 3.98:1 | AA large text | Lc 28.4 | Dividers and decoration only |
| #177D19 text on white | 5.27:1 | AA | Lc 75.6 | Fine for body text |
| #177D19 text on black | 3.98:1 | AA large text | Lc -26.1 | 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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E2EEE0
oklch(93.6% 0.023 141.2)
-
Step 200
200
#C9E1C7
oklch(88.5% 0.043 143.1)
-
Step 300
300
#A4CEA0
oklch(80.9% 0.078 142.6)
-
Step 400
400
#70B46C
oklch(70.6% 0.123 142.9)
-
Step 500
500
#44A142
oklch(63.1% 0.16 143.1)
-
Step 600
600
#1C8B1E
oklch(55.6% 0.173 143)
-
Step 700
700 (this color)
#177D19
oklch(51.5% 0.161 143)
-
Step 800
800
#106011
oklch(42.7% 0.133 142.9)
-
Step 900
900
#184F17
oklch(37.8% 0.104 142.9)
-
Step 950
950
#102E0F
oklch(26.9% 0.065 143)
#177D19 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) | #807001 | 0.115 |
| Deuteranopia (no green cones) | #756925 | 0.115 |
| Tritanopia (no blue cones) | #00796A | 0.103 |
| Achromatopsia (no color) | #6C6C6C | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #177D19
#177D19
oklch(51.5% 0.161 143)
- #91409C
#91409C
oklch(51.5% 0.161 322.7)
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 #177D19, closest first.
No curated palette has a color within ΔE 0.04 of #177D19.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tree Green #2A7E19 ΔE 0.011
- Green #008000 ΔE 0.017
- Dark Grass Green #388004 ΔE 0.024
- Jungle Green #048243 ΔE 0.039
- Forest Green #228B22 ΔE 0.044
- Emerald Green #028F1E ΔE 0.054
- Kelley Green #009337 ΔE 0.065
- Irish Green #019529 ΔE 0.071
Use #177D19 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.