#277658
Closest named color: Dark Aquamarine (#017371). oklch(50.9% 0.091 164.3), rgb(39, 118, 88).
Aa
White text reads best on this color (5.49:1).
About this color
#277658 is a medium-dark, moderately saturated green. In OKLCH its lightness is 51%, its chroma 0.091 and its hue 164°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.044 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 | 3.81:1 |
| White text | 5.49:1 |
Values
| HEX | #277658 |
| RGB | rgb(39, 118, 88) |
| HSL | hsl(157, 50%, 31%) |
| OKLCH | oklch(50.9% 0.091 164.3) |
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 #277658 | 5.49:1 | AA | Lc -82.5 | Fine for body text |
| Black text on #277658 | 3.81:1 | AA large text | Lc 26.9 | Dividers and decoration only |
| #277658 text on white | 5.49:1 | AA | Lc 77.2 | Fine for body text |
| #277658 text on black | 3.81:1 | 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
#E3EDE8
oklch(93.7% 0.013 164.8)
-
Step 200
200
#CBDED5
oklch(88.4% 0.024 165.8)
-
Step 300
300
#A7CAB9
oklch(80.9% 0.044 164.3)
-
Step 400
400
#77AF95
oklch(70.8% 0.07 163.9)
-
Step 500
500
#509B7B
oklch(63.2% 0.09 164)
-
Step 600
600
#2F8564
oklch(55.6% 0.098 164.3)
-
Step 700
700 (this color)
#277658
oklch(50.9% 0.091 164.3)
-
Step 800
800
#1E5C44
oklch(42.8% 0.075 164.1)
-
Step 900
900
#1F4B39
oklch(37.6% 0.058 164.3)
-
Step 950
950
#132C22
oklch(26.9% 0.037 165.7)
#277658 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) | #746E56 | 0.089 |
| Deuteranopia (no green cones) | #69665A | 0.086 |
| Tritanopia (no blue cones) | #00766E | 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°).
- #277658
#277658
oklch(50.9% 0.091 164.3)
- #8A5072
#8A5072
oklch(51% 0.09 344.7)
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 #277658, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.044
- Bluegreen #017A79 ΔE 0.048
- Deep Turquoise #017374 ΔE 0.049
- Jungle Green #048243 ΔE 0.056
- Teal #008080 ΔE 0.059
- Deep Aqua #08787F ΔE 0.059
- Dark Olive Green #556B2F ΔE 0.060
- Dark Aqua #05696B ΔE 0.061
Use #277658 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.