#187A5D
Closest named color: Bluegreen (#017A79). oklch(51.8% 0.098 167.6), rgb(24, 122, 93).
Aa
White text reads best on this color (5.27:1).
About this color
#187A5D is a medium-dark, moderately saturated green. In OKLCH its lightness is 52%, its chroma 0.098 and its hue 168°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bluegreen (#017A79), ΔE 0.044 away. White text reads best on it, at 5.27:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.098) |
| Temperature | in between |
| Nearest name | Bluegreen (#017A79) |
| Black text | 3.98:1 |
| White text | 5.27:1 |
Values
| HEX | #187A5D |
| RGB | rgb(24, 122, 93) |
| HSL | hsl(162, 67%, 29%) |
| OKLCH | oklch(51.8% 0.098 167.6) |
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 #187A5D | 5.27:1 | AA | Lc -81.2 | Fine for body text |
| Black text on #187A5D | 3.98:1 | AA large text | Lc 28.3 | Dividers and decoration only |
| #187A5D text on white | 5.27:1 | AA | Lc 75.8 | Fine for body text |
| #187A5D text on black | 3.98:1 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E2EDE8
oklch(93.6% 0.013 167.2)
-
Step 200
200
#C9DFD6
oklch(88.5% 0.026 169.2)
-
Step 300
300
#A4CBBA
oklch(80.9% 0.048 166.8)
-
Step 400
400
#70B097
oklch(70.7% 0.076 167.5)
-
Step 500
500
#459C7E
oklch(63.1% 0.096 167.9)
-
Step 600
600
#1B8767
oklch(55.7% 0.106 167.5)
-
Step 700
700 (this color)
#187A5D
oklch(51.8% 0.098 167.6)
-
Step 800
800
#0F5D46
oklch(42.7% 0.081 167.6)
-
Step 900
900
#184C3B
oklch(37.7% 0.063 168)
-
Step 950
950
#102D22
oklch(27.1% 0.041 166.1)
#187A5D 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) | #77715B | 0.099 |
| Deuteranopia (no green cones) | #6B685F | 0.096 |
| Tritanopia (no blue cones) | #007B72 | 0.031 |
| Achromatopsia (no color) | #6C6C6C | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #187A5D
#187A5D
oklch(51.8% 0.098 167.6)
- #915073
#915073
oklch(51.9% 0.098 347.5)
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 #187A5D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegreen #017A79 ΔE 0.044
- Dark Aquamarine #017371 ΔE 0.044
- Deep Turquoise #017374 ΔE 0.049
- Jungle Green #048243 ΔE 0.051
- Teal #008080 ΔE 0.052
- Deep Aqua #08787F ΔE 0.056
- Sea Green #2E8B57 ΔE 0.060
- Dark Aqua #05696B ΔE 0.066
Use #187A5D 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.