#1F775B
Closest named color: Dark Aquamarine (#017371). oklch(51.1% 0.093 167.1), rgb(31, 119, 91).
Aa
White text reads best on this color (5.45:1).
About this color
#1F775B is a medium-dark, moderately saturated green. In OKLCH its lightness is 51%, its chroma 0.093 and its hue 167°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.041 away. White text reads best on it, at 5.45:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.093) |
| Temperature | in between |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.84:1 |
| White text | 5.45:1 |
Values
| HEX | #1F775B |
| RGB | rgb(31, 119, 91) |
| HSL | hsl(161, 59%, 29%) |
| OKLCH | oklch(51.1% 0.093 167.1) |
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 #1F775B | 5.45:1 | AA | Lc -82.2 | Fine for body text |
| Black text on #1F775B | 3.84:1 | AA large text | Lc 27.2 | Dividers and decoration only |
| #1F775B text on white | 5.45:1 | AA | Lc 76.9 | Fine for body text |
| #1F775B text on black | 3.84:1 | AA large text | Lc -24.9 | 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
#CADFD6
oklch(88.5% 0.026 168.2)
-
Step 300
300
#A6CABB
oklch(80.8% 0.044 168)
-
Step 400
400
#73AF97
oklch(70.6% 0.072 167.2)
-
Step 500
500
#4A9B7E
oklch(63% 0.092 167.5)
-
Step 600
600
#268667
oklch(55.7% 0.101 167.1)
-
Step 700
700 (this color)
#1F775B
oklch(51.1% 0.093 167.1)
-
Step 800
800
#175C46
oklch(42.6% 0.077 167.3)
-
Step 900
900
#1C4C3B
oklch(37.8% 0.06 167)
-
Step 950
950
#122C23
oklch(26.9% 0.037 168.7)
#1F775B 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) | #746E5A | 0.094 |
| Deuteranopia (no green cones) | #69665D | 0.091 |
| Tritanopia (no blue cones) | #00776F | 0.031 |
| Achromatopsia (no color) | #696969 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F775B
#1F775B
oklch(51.1% 0.093 167.1)
- #8D4F70
#8D4F70
oklch(51.1% 0.093 347.7)
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 #1F775B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.041
- Bluegreen #017A79 ΔE 0.044
- Deep Turquoise #017374 ΔE 0.045
- Teal #008080 ΔE 0.055
- Deep Aqua #08787F ΔE 0.056
- Jungle Green #048243 ΔE 0.056
- Dark Aqua #05696B ΔE 0.060
- Dark Green Blue #1F6357 ΔE 0.064
Use #1F775B 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.