#277C42
Closest named color: Jungle Green (#048243). oklch(52.1% 0.121 150.3), rgb(39, 124, 66).
Aa
White text reads best on this color (5.18:1).
About this color
#277C42 is a medium-dark, moderately saturated green. In OKLCH its lightness is 52%, its chroma 0.121 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.020 away. White text reads best on it, at 5.18:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.121) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.04:1 |
| White text | 5.18:1 |
Values
| HEX | #277C42 |
| RGB | rgb(39, 124, 66) |
| HSL | hsl(139, 52%, 32%) |
| OKLCH | oklch(52.1% 0.121 150.3) |
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 #277C42 | 5.18:1 | AA | Lc -80.7 | Fine for body text |
| Black text on #277C42 | 4.04:1 | AA large text | Lc 28.7 | Dividers and decoration only |
| #277C42 text on white | 5.18:1 | AA | Lc 75.4 | Fine for body text |
| #277C42 text on black | 4.04:1 | AA large text | Lc -26.4 | 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
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E2EDE4
oklch(93.5% 0.017 151.1)
-
Step 200
200
#CBE0CE
oklch(88.6% 0.033 149.5)
-
Step 300
300
#A6CCAD
oklch(80.9% 0.059 150.3)
-
Step 400
400
#75B182
oklch(70.6% 0.093 150.3)
-
Step 500
500
#4D9E62
oklch(63.2% 0.12 150.2)
-
Step 600
600
#2A8848
oklch(55.6% 0.131 150.2)
-
Step 700
700 (this color)
#277C42
oklch(52.1% 0.121 150.3)
-
Step 800
800
#1A5E30
oklch(42.8% 0.101 150.3)
-
Step 900
900
#1D4D2B
oklch(37.7% 0.078 150.6)
-
Step 950
950
#122D19
oklch(26.9% 0.05 150.3)
#277C42 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) | #7D713E | 0.101 |
| Deuteranopia (no green cones) | #726A46 | 0.099 |
| Tritanopia (no blue cones) | #017A6E | 0.066 |
| Achromatopsia (no color) | #6D6D6D | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #277C42
#277C42
oklch(52.1% 0.121 150.3)
- #8F4D8A
#8F4D8A
oklch(52.1% 0.12 330)
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 #277C42, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.020
- Tree Green #2A7E19 ΔE 0.042
- Sea Green #2E8B57 ΔE 0.049
- Dark Grass Green #388004 ΔE 0.052
- Dark Olive Green #556B2F ΔE 0.059
- Green #008000 ΔE 0.059
- Muddy Green #657432 ΔE 0.062
- Forest Green #228B22 ΔE 0.063
Use #277C42 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.