#49D173
Closest named color: Seaweed (#18D17B). oklch(76.5% 0.177 150.1), rgb(73, 209, 115).
Aa
Black text reads best on this color (10.65:1).
About this color
#49D173 is a medium-light, vivid green. In OKLCH its lightness is 77%, its chroma 0.177 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seaweed (#18D17B), ΔE 0.018 away. Black text reads best on it, at 10.65:1.
| Hue family | Greens |
| Lightness | medium-light (77%) |
| Chroma | vivid (0.177) |
| Temperature | in between |
| Nearest name | Seaweed (#18D17B) |
| Black text | 10.65:1 |
| White text | 1.97:1 |
Values
| HEX | #49D173 |
| RGB | rgb(73, 209, 115) |
| HSL | hsl(139, 60%, 55%) |
| OKLCH | oklch(76.5% 0.177 150.1) |
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 #49D173 | 1.97:1 | Fails | Lc -42.0 | Non-text elements, placeholder text |
| Black text on #49D173 | 10.65:1 | AAA | Lc 66.3 | Content text, not long reading |
| #49D173 text on white | 1.97:1 | Fails | Lc 37.6 | Non-text elements, placeholder text |
| #49D173 text on black | 10.65:1 | AAA | Lc -64.8 | Content text, not long reading |
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 300.
-
Step 50
50
#EBFAED
oklch(97% 0.023 149.4)
-
Step 100
100
#D3F4D8
oklch(93.6% 0.051 149.6)
-
Step 200
200
#AAECB7
oklch(88.5% 0.098 150.1)
-
Step 300
300 (this color)
#49D173
oklch(76.5% 0.177 150.1)
-
Step 400
400
#00C059
oklch(70.6% 0.194 150)
-
Step 500
500
#00A54C
oklch(63.1% 0.173 150.1)
-
Step 600
600
#008B3F
oklch(55.7% 0.153 150.2)
-
Step 700
700
#007534
oklch(49.2% 0.135 150.2)
-
Step 800
800
#006029
oklch(42.7% 0.118 150)
-
Step 900
900
#005021
oklch(37.7% 0.104 150)
-
Step 950
950
#003011
oklch(27% 0.074 150)
#49D173 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) | #D2C06C | 0.146 |
| Deuteranopia (no green cones) | #C1B479 | 0.144 |
| Tritanopia (no blue cones) | #0DCDBA | 0.098 |
| Achromatopsia (no color) | #B9B9B9 | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #49D173
#49D173
oklch(76.5% 0.177 150.1)
- #F085E7
#F085E7
oklch(76.5% 0.176 330.3)
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 #49D173, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seaweed #18D17B ΔE 0.018
- Algae Green #21C36F ΔE 0.046
- Aqua Green #12E193 ΔE 0.048
- Fresh Green #69D84F ΔE 0.048
- Apple #6ECB3C ΔE 0.049
- Dark Mint #48C072 ΔE 0.049
- Soft Green #6FC276 ΔE 0.049
- Emerald #06D6A0 ΔE 0.053
Use #49D173 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.