#297657
Closest named color: Dark Aquamarine (#017371). oklch(51% 0.091 163.2), rgb(41, 118, 87).
Aa
White text reads best on this color (5.49:1).
About this color
#297657 is a medium-dark, moderately saturated green. In OKLCH its lightness is 51%, its chroma 0.091 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 0.046 away. White text reads best on it, at 5.49:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.091) |
| Temperature | in between |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.82:1 |
| White text | 5.49:1 |
Values
| HEX | #297657 |
| RGB | rgb(41, 118, 87) |
| HSL | hsl(156, 48%, 31%) |
| OKLCH | oklch(51% 0.091 163.2) |
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 #297657 | 5.49:1 | AA | Lc -82.5 | Fine for body text |
| Black text on #297657 | 3.82:1 | AA large text | Lc 26.9 | Dividers and decoration only |
| #297657 text on white | 5.49:1 | AA | Lc 77.2 | Fine for body text |
| #297657 text on black | 3.82:1 | AA large text | Lc -24.6 | 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
#CBDED5
oklch(88.4% 0.024 165.8)
-
Step 300
300
#A8CAB9
oklch(80.9% 0.043 163.6)
-
Step 400
400
#77AF94
oklch(70.7% 0.071 163)
-
Step 500
500
#519B7A
oklch(63.2% 0.09 163)
-
Step 600
600
#318563
oklch(55.6% 0.097 163.3)
-
Step 700
700 (this color)
#297657
oklch(51% 0.091 163.2)
-
Step 800
800
#1F5C43
oklch(42.8% 0.076 162.9)
-
Step 900
900
#204B39
oklch(37.6% 0.058 163.9)
-
Step 950
950
#142C21
oklch(27% 0.037 162.7)
#297657 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) | #746E55 | 0.088 |
| Deuteranopia (no green cones) | #696659 | 0.085 |
| Tritanopia (no blue cones) | #00766D | 0.035 |
| Achromatopsia (no color) | #696969 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #297657
#297657
oklch(51% 0.091 163.2)
- #8A5073
#8A5073
oklch(51% 0.09 343.8)
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 #297657, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.046
- Bluegreen #017A79 ΔE 0.050
- Deep Turquoise #017374 ΔE 0.050
- Jungle Green #048243 ΔE 0.055
- Dark Olive Green #556B2F ΔE 0.059
- Teal #008080 ΔE 0.060
- Deep Aqua #08787F ΔE 0.061
- Dark Aqua #05696B ΔE 0.063
Use #297657 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.