#277D64
Closest named color: Bluegreen (#017A79). oklch(53.2% 0.091 169.8), rgb(39, 125, 100).
Aa
White text reads best on this color (4.99:1).
About this color
#277D64 is a medium-dark, moderately saturated green. In OKLCH its lightness is 53%, its chroma 0.091 and its hue 170°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bluegreen (#017A79), ΔE 0.038 away. White text reads best on it, at 4.99:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.091) |
| Temperature | in between |
| Nearest name | Bluegreen (#017A79) |
| Black text | 4.20:1 |
| White text | 4.99:1 |
Values
| HEX | #277D64 |
| RGB | rgb(39, 125, 100) |
| HSL | hsl(163, 52%, 32%) |
| OKLCH | oklch(53.2% 0.091 169.8) |
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 #277D64 | 4.99:1 | AA | Lc -79.7 | Fine for body text |
| Black text on #277D64 | 4.20:1 | AA large text | Lc 29.8 | Dividers and decoration only |
| #277D64 text on white | 4.99:1 | AA | Lc 74.3 | Content text, not long reading |
| #277D64 text on black | 4.20:1 | AA large text | Lc -27.5 | 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 600.
-
Step 50
50
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E3ECE8
oklch(93.5% 0.011 167.8)
-
Step 200
200
#CBDED7
oklch(88.4% 0.022 171.7)
-
Step 300
300
#A8CABC
oklch(81% 0.041 168.4)
-
Step 400
400
#77AE9A
oklch(70.7% 0.065 169.7)
-
Step 500
500
#509A82
oklch(63.1% 0.083 170.3)
-
Step 600
600 (this color)
#277D64
oklch(53.2% 0.091 169.8)
-
Step 700
700
#217059
oklch(49.1% 0.084 169.7)
-
Step 800
800
#1E5B49
oklch(42.6% 0.07 170.1)
-
Step 900
900
#204B3D
oklch(37.8% 0.054 169.6)
-
Step 950
950
#142C24
oklch(27.1% 0.034 170)
#277D64 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) | #797463 | 0.092 |
| Deuteranopia (no green cones) | #6E6C66 | 0.089 |
| Tritanopia (no blue cones) | #007E76 | 0.028 |
| Achromatopsia (no color) | #6F6F6F | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #277D64
#277D64
oklch(53.2% 0.091 169.8)
- #935574
#935574
oklch(53.1% 0.091 349.3)
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 #277D64, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegreen #017A79 ΔE 0.038
- Teal #008080 ΔE 0.041
- Dark Aquamarine #017371 ΔE 0.046
- Deep Turquoise #017374 ΔE 0.049
- Deep Aqua #08787F ΔE 0.050
- Sea Green #2E8B57 ΔE 0.054
- Jungle Green #048243 ΔE 0.057
- Dark Sage #598556 ΔE 0.058
Use #277D64 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.