#178459
Closest named color: Sea Green (#2E8B57). oklch(54.5% 0.115 160.6), rgb(23, 132, 89).
Aa
White text reads best on this color (4.68:1).
About this color
#178459 is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.115 and its hue 161°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.027 away. White text reads best on it, at 4.68:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.115) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.48:1 |
| White text | 4.68:1 |
Values
| HEX | #178459 |
| RGB | rgb(23, 132, 89) |
| HSL | hsl(156, 70%, 30%) |
| OKLCH | oklch(54.5% 0.115 160.6) |
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 #178459 | 4.68:1 | AA | Lc -77.6 | Fine for body text |
| Black text on #178459 | 4.48:1 | AA large text | Lc 32.0 | Non-text elements, placeholder text |
| #178459 text on white | 4.68:1 | AA | Lc 72.1 | Content text, not long reading |
| #178459 text on black | 4.48:1 | AA large text | Lc -29.6 | 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 600.
-
Step 50
50
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E2EDE6
oklch(93.6% 0.015 158.2)
-
Step 200
200
#CADFD3
oklch(88.5% 0.028 160.8)
-
Step 300
300
#A4CBB6
oklch(80.8% 0.051 161.5)
-
Step 400
400
#70B18F
oklch(70.7% 0.084 160.4)
-
Step 500
500
#459D74
oklch(63.1% 0.106 160.8)
-
Step 600
600 (this color)
#178459
oklch(54.5% 0.115 160.6)
-
Step 700
700
#0A734C
oklch(49.2% 0.107 160.6)
-
Step 800
800
#115D3E
oklch(42.6% 0.088 160.6)
-
Step 900
900
#184D35
oklch(37.8% 0.07 160.4)
-
Step 950
950
#102D1F
oklch(27% 0.044 160.3)
#178459 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) | #827956 | 0.109 |
| Deuteranopia (no green cones) | #75705C | 0.106 |
| Tritanopia (no blue cones) | #008379 | 0.049 |
| Achromatopsia (no color) | #747474 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #178459
#178459
oklch(54.5% 0.115 160.6)
- #9C5384
#9C5384
oklch(54.5% 0.115 341)
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 #178459, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.027
- Jungle Green #048243 ΔE 0.031
- Viridian #1E9167 ΔE 0.041
- Dark Sage #598556 ΔE 0.050
- Light Forest Green #4F9153 ΔE 0.061
- Fern Green #548D44 ΔE 0.061
- Teal #008080 ΔE 0.065
- Tree Green #2A7E19 ΔE 0.065
Use #178459 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.