#277B57
Closest named color: Jungle Green (#048243). oklch(52.3% 0.099 161.2), rgb(39, 123, 87).
Aa
White text reads best on this color (5.17:1).
About this color
#277B57 is a medium-dark, moderately saturated green. In OKLCH its lightness is 52%, its chroma 0.099 and its hue 161°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.043 away. White text reads best on it, at 5.17:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.099) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.05:1 |
| White text | 5.17:1 |
Values
| HEX | #277B57 |
| RGB | rgb(39, 123, 87) |
| HSL | hsl(154, 52%, 32%) |
| OKLCH | oklch(52.3% 0.099 161.2) |
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 #277B57 | 5.17:1 | AA | Lc -80.7 | Fine for body text |
| Black text on #277B57 | 4.05:1 | AA large text | Lc 28.7 | Dividers and decoration only |
| #277B57 text on white | 5.17:1 | AA | Lc 75.3 | Fine for body text |
| #277B57 text on black | 4.05:1 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E2EDE7
oklch(93.6% 0.014 162.5)
-
Step 200
200
#CBDFD3
oklch(88.5% 0.027 159.5)
-
Step 300
300
#A6CBB7
oklch(81% 0.048 161.5)
-
Step 400
400
#75B091
oklch(70.8% 0.077 160.7)
-
Step 500
500
#4C9C76
oklch(63.1% 0.099 161)
-
Step 600
600
#2A865F
oklch(55.6% 0.106 161.3)
-
Step 700
700 (this color)
#277B57
oklch(52.3% 0.099 161.2)
-
Step 800
800
#1A5D40
oklch(42.8% 0.083 160.7)
-
Step 900
900
#1D4C36
oklch(37.7% 0.064 160.6)
-
Step 950
950
#122D20
oklch(27.1% 0.041 160.9)
#277B57 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) | #797255 | 0.094 |
| Deuteranopia (no green cones) | #6E6A59 | 0.091 |
| Tritanopia (no blue cones) | #007B71 | 0.040 |
| Achromatopsia (no color) | #6D6D6D | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #277B57
#277B57
oklch(52.3% 0.099 161.2)
- #90527A
#90527A
oklch(52.4% 0.098 341.8)
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 #277B57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.043
- Sea Green #2E8B57 ΔE 0.051
- Bluegreen #017A79 ΔE 0.054
- Dark Aquamarine #017371 ΔE 0.055
- Dark Sage #598556 ΔE 0.059
- Teal #008080 ΔE 0.059
- Deep Turquoise #017374 ΔE 0.060
- Dark Olive Green #556B2F ΔE 0.063
Use #277B57 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.