#277D5E
Closest named color: Bluegreen (#017A79). oklch(53% 0.095 165.1), rgb(39, 125, 94).
Aa
White text reads best on this color (5.02:1).
About this color
#277D5E is a medium-dark, moderately saturated green. In OKLCH its lightness is 53%, its chroma 0.095 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bluegreen (#017A79), ΔE 0.046 away. White text reads best on it, at 5.02:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.095) |
| Temperature | in between |
| Nearest name | Bluegreen (#017A79) |
| Black text | 4.18:1 |
| White text | 5.02:1 |
Values
| HEX | #277D5E |
| RGB | rgb(39, 125, 94) |
| HSL | hsl(158, 52%, 32%) |
| OKLCH | oklch(53% 0.095 165.1) |
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 #277D5E | 5.02:1 | AA | Lc -79.8 | Fine for body text |
| Black text on #277D5E | 4.18:1 | AA large text | Lc 29.7 | Dividers and decoration only |
| #277D5E text on white | 5.02:1 | AA | Lc 74.4 | Content text, not long reading |
| #277D5E text on black | 4.18:1 | AA large text | Lc -27.3 | 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
#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
#A8CABA
oklch(81% 0.043 165.2)
-
Step 400
400
#77AF96
oklch(70.8% 0.069 164.9)
-
Step 500
500
#519A7C
oklch(63% 0.087 165)
-
Step 600
600 (this color)
#277D5E
oklch(53% 0.095 165.1)
-
Step 700
700
#227054
oklch(49% 0.088 165.2)
-
Step 800
800
#1F5C45
oklch(42.8% 0.074 164.8)
-
Step 900
900
#204B3A
oklch(37.7% 0.057 165.2)
-
Step 950
950
#142C22
oklch(27% 0.036 165)
#277D5E 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) | #7A745C | 0.094 |
| Deuteranopia (no green cones) | #6F6C60 | 0.091 |
| Tritanopia (no blue cones) | #007D74 | 0.034 |
| Achromatopsia (no color) | #6F6F6F | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #277D5E
#277D5E
oklch(53% 0.095 165.1)
- #935478
#935478
oklch(53% 0.096 345.6)
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 #277D5E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegreen #017A79 ΔE 0.046
- Jungle Green #048243 ΔE 0.048
- Sea Green #2E8B57 ΔE 0.049
- Teal #008080 ΔE 0.050
- Dark Aquamarine #017371 ΔE 0.052
- Dark Sage #598556 ΔE 0.055
- Deep Turquoise #017374 ΔE 0.056
- Deep Aqua #08787F ΔE 0.059
Use #277D5E 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.