#257152
Closest named color: Dark Aquamarine (#017371). oklch(49.3% 0.09 162.6), rgb(37, 113, 82).
Aa
White text reads best on this color (5.89:1).
About this color
#257152 is a medium-dark, moderately saturated green. In OKLCH its lightness is 49%, its chroma 0.090 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.047 away. White text reads best on it, at 5.89:1.
| Hue family | Greens |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.090) |
| Temperature | in between |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.56:1 |
| White text | 5.89:1 |
Values
| HEX | #257152 |
| RGB | rgb(37, 113, 82) |
| HSL | hsl(156, 51%, 29%) |
| OKLCH | oklch(49.3% 0.09 162.6) |
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 #257152 | 5.89:1 | AA | Lc -84.4 | Fine for body text |
| Black text on #257152 | 3.56:1 | AA large text | Lc 24.9 | Dividers and decoration only |
| #257152 text on white | 5.89:1 | AA | Lc 79.2 | Fine for body text |
| #257152 text on black | 3.56:1 | AA large text | Lc -22.6 | 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 700.
-
Step 50
50
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E3EDE7
oklch(93.7% 0.013 159.9)
-
Step 200
200
#CCDED4
oklch(88.4% 0.024 161.7)
-
Step 300
300
#A8CAB8
oklch(80.9% 0.044 162.2)
-
Step 400
400
#78AF94
oklch(70.8% 0.07 162.6)
-
Step 500
500
#529A7A
oklch(63% 0.088 163.3)
-
Step 600
600
#338562
oklch(55.7% 0.097 162.2)
-
Step 700
700 (this color)
#257152
oklch(49.3% 0.09 162.6)
-
Step 800
800
#205C43
oklch(42.8% 0.075 162.7)
-
Step 900
900
#214B38
oklch(37.6% 0.058 162.2)
-
Step 950
950
#142C21
oklch(27% 0.037 162.7)
#257152 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) | #6F6950 | 0.086 |
| Deuteranopia (no green cones) | #656154 | 0.085 |
| Tritanopia (no blue cones) | #007169 | 0.036 |
| Achromatopsia (no color) | #646464 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #257152
#257152
oklch(49.3% 0.09 162.6)
- #844C6F
#844C6F
oklch(49.4% 0.089 342.7)
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 #257152, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.047
- Dark Green Blue #1F6357 ΔE 0.049
- Deep Turquoise #017374 ΔE 0.051
- Dark Aqua #05696B ΔE 0.055
- Dark Olive Green #556B2F ΔE 0.056
- Bluegreen #017A79 ΔE 0.057
- Camo Green #526525 ΔE 0.063
- Dark Moss Green #606C38 ΔE 0.064
Use #257152 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.